The Inexorable and Mysterious Tradeoff Between Inflation and Unemployment

This paper discusses the short-run tradeoff between inflation and unemployment. Although this tradeoff remains a necessary building block of business cycle theory, economists have yet to provide a completely satisfactory explanation for it. According to the consensus view among central bankers and monetary economists, a contractionary monetary shock raises unemployment, at least temporarily, and leads to a delayed and gradual fall in inflation. Standard dynamic models of price adjustment, however, cannot explain this pattern of responses. Reconciling the consensus view about the effects of monetary policy with models of price adjustment remains an outstanding puzzle for business cycle theorists.     

Still puzzling: evaluating the price puzzle in an empirically identified structural vector autoregression

The price puzzle, an increase in the price level associated with a contractionary monetary shock, is investigated in a rich, 12-variable SVAR in which various factors that have been mooted as solutions are considered jointly. SVARs for the pre-1980 and post-1990 periods are identified empirically using a graph-theoretic causal search algorithm combined with formal tests of the implied overidentifying restrictions. In this SVAR, the pre-1980 price puzzle depends on the characterization of monetary policy, and the post-1990 price puzzle is statistically insignificant. Commonly suggested theoretical resolutions to the price puzzle are shown to have causal implications inconsistent with the data.     

Changing transmission of monetary policy on disaggregate inflation in India

This paper investigates the time-varying effects of monetary policy on aggregate, sectoral, and disaggregate inflation in India from 1997 to 2017 using a large dataset of 439 variables. We find that the effectiveness of a contractionary monetary policy in controlling aggregate inflation has improved over time. This improvement in the policy's effectiveness can be attributed to better transmission through credit and asset price channels. In investigating disaggregate inflation, we find that a contractionary monetary policy is more effective in reducing inflation in the manufacturing sector than in the agricultural sector. Further, the sacrifice ratios in all manufacturing sectors have improved over time. However, the commodities prices of some sectors respond positively after a monetary contraction, which demonstrates the presence of a cost channel in the Indian economy. Our findings suggest that the monetary authority in India should have an interest rate rule that incorporates sectoral inflation and reacts to each with different intensity.     

Optimal monetary policy regime for oil producing developing economies: Implications for post-war Iraq

This paper theoretically investigates optimal monetary policy regime for oil producing developing countries. We analyze credibility and reputation of the Central Bank and macroeconomic dynamics under alternative monetary policy regimes. We construct a detailed and realistic model that can be used to analyze macroecomic structure and expectation dynamics of an oil producing open economy. We take into account the asymmetric information between the public and the central bank and theoretically investigate how this asymmetric information impacts the real economy and the credibility of the central bank. The simulation results indicate that central bank achieves higher credibility and lower inflation under dollarization and higher output levels under currency board regime. The model constructed in this paper has many policy implications for oil producing open economies. Using the implications of the model, we make monetary policy regime recommendations for post-war Iraq.     

Testing the Robustness of Public Spending Determinants on Public Spending Decisions in Nigeria

This study tests the robustness of variables used in determining public spending in Nigeria from 1970 to 2016. This is achieved through the simultaneous use of a symmetric and asymmetric ARDL and Toda–Yamamoto causality procedures. The empirical findings reveal sufficient evidence of asymmetry in the behaviour of policy variables such as oil price, inflation rate, and the exchange rate. Hence, the conclusion that asymmetry significantly exists in key variables, used by Nigerian fiscal authorities for spending decision-making. Also, the asymmetric Toda–Yamamoto causality result reveals that increase in oil price, depreciation in the Naira value, and government revenue are the key determinants of public spending. Hence, the revenue-spend hypothesis. It is recommended that the re-investment of surplus proceeds from oil receipts should be given much priority. Specifically, the re-investment of such revenues into sectors such as manufacturing, construction, and information technology, will speed-up the diversification process of the revenue base; and sufficiently reduce the negative effects a decline in the oil price, and the Naira exchange rate will have on public spending. The policy of inflation targeting by the monetary authority should be sustained to check unwarranted inflationary trajectory; which may have an adverse effect on public spending value.     

Monetary shocks,exchange rates and trade balances: Evidence from inflation targeting countries

This paper investigates the relationship among monetary policy shocks, exchange rates and trade balances in five Inflation Targeting Countries (ITCs). The investigation is based on Structural Vector Error Correction Models (SVECMs) with long run and short run restrictions. The findings reveal that a contractionary monetary policy shock leads to a decrease in price level, a decrease in output, an appreciation in exchange rate, and an improvement in trade balance in the very short run. Our findings contradict the findings of price, output, exchange rate and trade puzzles that have been found in many empirical studies. Furthermore they are consistent with the theoretical expectations regarding the effect of a contractionary policy. The only long run restriction that we imposed on our models is that money does not affect real macroeconomic variables in the long run, which is consistent with both Keynesian and monetarist approaches.     

Does money have a role in the inflation process? Evidence from Australia

Inflation, defined as a sustained increase in the price level, is considered a monetary phenomenon, as it can be explained within the framework of money‐demand and money‐supply relationships. In the extant literature, money growth is shown to remain causally related to inflation across countries and over time, irrespective of the exchange rate regime and stability of the money‐demand function. Nevertheless, emerging literature suggests a diminishing role of money in the conduct of monetary policy for price stability, especially under inflation targeting. Monetary policy in Australia under inflation targeting since 1993 is an example of policy that denies a relationship between money growth and inflation. The proposition that money does not matter insofar as inflation is concerned seems odd in both theory and the best‐practice monetary policy for price stability. This paper uses annual data for the period 1970–2017 and quarterly data for the period 1970Q1–2015Q1. It deploys both the Johansen cointegration approach and the autoregressive distributed lag (ARDL) cointegration approach to investigate for Australia whether money, real output, prices and the exchange rate (non‐stationary variables) maintain the long‐run price‐level relationship that the classical monetary theory suggests in the presence of such stationary variables as the domestic and foreign interest rates. As expected, the empirical findings for Australia are consistent with the classical long‐run price‐level relationship between money, real output, prices and the exchange rate. The error‐correction model of inflation confirms the presence of a cointegral relationship among these variables; it also provides strong evidence of a short‐run causal relationship between money supply growth and inflation. On the basis of a priori theoretical predictions and empirical findings, the paper draws the conclusion that the monetary aggregate and its growth rate matter insofar as inflation is concerned, irrespective of the strategy of monetary policy for price stability.     

The effects of monetary policy in the Czech Republic: an empirical study

In this paper, we examine the effects of Czech monetary policy on the economy within the vector auto regression (VAR), structural VAR, Bayesian VAR with sign restrictions, and factor-augmented VAR, frameworks. We document a well-functioning transmission mechanism similar to the euro area countries, especially in terms of persistence of monetary policy shocks. Subject to various sensitivity tests, we find that a contractionary monetary policy shock has a negative effect on the degree of economic activity and the price level, both with a peak response after one year or so. Regarding prices at the sectoral level, tradables adjust faster than non-tradables, which is in line with microeconomic evidence on price stickiness. There is no price puzzle, as our data come from a single monetary policy regime. There is a rationale in using the real-time output gap instead of current GDP growth, as using the former results in much more precise estimates. The results indicate a rather persistent appreciation of the domestic currency after a monetary tightening, with a gradual depreciation afterwards.     

Is the relationship between monetary policy and house prices asymmetric across bull and bear markets in South Africa? Evidence from a Markov-switching vector autoregressive model

This paper examines asymmetries in the impact of monetary policy on the middle segment of the South African housing market from 1966:M2 to 2011:M12. We use Markov-switching vector autoregressive (MS-VAR) model in which parameters change according to the phase of the housing cycle. The results suggest that monetary policy is not neutral as house price growth decreases substantially with a contractionary monetary policy. We find that the impact of monetary policy is larger in bear regime than in bull regime; indicating the role of information asymmetry in reinforcing the financial constraint of economic agents. As expected, monetary policy reaction to a positive house price shock is found to be stronger in the bull regime. This suggests that the central bank reacts more in bull regime in order to prevent potential crisis related to the subsequent bust in house prices bubbles which are more prominent in bull markets. These results substantiate important asymmetries in the dynamics of house prices in relation to monetary policy, vindicating the advantages of generating regime dependent impulse response functions.     

The Effects of Monetary Policy Shocks in the USA: A Forecast‐Augmented VAR Approach

This paper formulates a forward‐looking monetary policy function for the USA in a structural vector autoregression (VAR) model, by using forecasts of key macroeconomic variables, in addition to the ex post realised variables used in a standard VAR. Since this forecast‐augmented VAR (FOAVAR) uses both forecasted and realised variables, and the standard VAR uses only realised variables, the standard VAR is nested in the FOAVAR. I find that the Fed responds to forecasted macroeconomic variables more significantly than realised variables. I also find that the monetary policy shock in the FOAVAR generates impulse responses of variables that are consistent with the predictions of economic theories, while the policy shock in the standard VAR causes a price puzzle: an increase in the price level due to a contractionary policy shock. These results suggest that a monetary policy function identified in a standard VAR, by using only realised macroeconomic variables, may incorrectly represent the Fed's policy function.     

Forward-looking monetary policy and anticipated shocks to inflation

This paper extends a standard New Keynesian model to describe the effects of anticipated shocks to inflation and forward-looking monetary policy. Using the data generated from this modified model suggests that overlooking these two factors in the standard Cholesky structural vector autoregressive identification scheme will generate a price puzzle. Furthermore, this paper demonstrates that failing to account for these two factors may result in significant estimates of two other explanations of the price puzzle—the cost channel of transmission of monetary policy and indeterminacy due to violation of the Taylor principle—even though neither features in the data generating process.     

How important is the credit channel in the transmission of monetary policy in Mexico?

This article empirically examines the importance of the credit channel of monetary policy in Mexico for the period 2004–2013. We estimate a vector autoregressive (VAR) model to analyse the effects of a monetary policy shock on real output, and we also use a threshold VAR model to investigate asymmetric effects of contractionary and expansionary policies. The empirical results suggest that a contractionary monetary policy results in a fall in the supply of loans together with an increase in the spread between the lending and deposit rate. To the extent that some borrowers are dependent on bank loans for credit, the reduced supply of loans amplifies the effects of monetary policy on output associated with the traditional interest rate channel. Our results also suggest that the importance of the credit channel is larger for contractionary shocks than for expansionary shocks.     

Systemic risk: The coordination of macroprudential and monetary policies in China

The literature documents the effects of monetary and macroprudential policies in controlling systemic risk, but empirical evidence of a systemwide framework that effectively coordinates the two policies is lacking. This study assesses the effectiveness, channels, and timeliness of monetary and macroprudential policies’ impacts on systemic risk in China from January 2009 to June 2018, and contributes to the discussion of how to coordinate these policies. Using an index synthesized from 28 indicators to proxy China’s systemic risk, we find the following: (1) A contractionary monetary (macroprudential) shock increases (reduces) systemic risk over the entire shock time period. (2) Macroprudential (monetary) policy is effective in the long (short) term. (3) The systemic risk intervention effect of monetary (macroprudential) policy is channeled through inflation control (asset price stability).     

Should a central bank react to food inflation? Evidence from an estimated model for Chile

We examine whether food price shocks are a major source of macroeconomic fluctuations. We estimate a small open economy DSGE model using an alternative Taylor rule applied to Chilean data. The empirical evidence suggests that food inflation played a non-trivial role in shaping Chile's de facto monetary policy actions. Consistent with its commitment to price stability, the central bank increases the policy rate in reaction to food inflation. Despite an immediate monetary policy reaction to a food price shock, the policy rate gradually tapers off. This is due to a second-round effect on non-food inflation propagated by the food price shock. A main finding is that monetary policy that targets headline inflation is welfare improving.     

The Exchange Rate and Inflation in the UK

The United Kingdom is a highly open economy, and has a monetary policy strategy of targeting inflation in consumer prices. In this paper, we look at the evidence from the UK on inflation behaviour, and examine the propositions from several theoretical models about inflation dynamics in an open economy, focusing in particular on the hypothesized connections between the exchange rate and consumer price inflation. Theoretical open‐economy macroeconomic models ‘cover the waterfront’ on this issue, ranging from ‘exchange rate disconnect’ to a rigid link between nominal exchange rate changes and inflation. We estimate on UK data the open‐economy Phillips curves implied by the alternative explanations. We argue that, of the alternatives considered, only a model where imports are modelled as an intermediate good, as in McCallum and Nelson (1999) , provides a reasonable match with the data. Unlike the standard model, in which imports are treated as a final consumer good, the intermediate‐goods specification provides support for a policy of CPI inflation targeting.     

货币供给的内生性与货币政策的效率——兼评我国当前货币政策的有效性

货币内生性理论指出公众的货币需求会直接影响中央银行的货币供给。因此 ,公众通过调整货币需求可以对中央银行的货币政策效果产生不确定的影响。本文利用货币内生性理论来分析公众行为对中央银行为稳定物价水平而采取的政策效果的影响 ;并通过实证分析证实我国M2 的供给有较强的内生性 ;我国货币政策在治理通货膨胀和通货紧缩的效果上存在着不对称性 ,以此可重新认识我国当前通货政策的有效性。     

The U.S. inflation process: Does nominal wage inflation cause price inflation,vice-versa,or neither?

Low unemployment has revived concerns about accelerated inflation. This paper examines the relationship between price and nominal wage inflation. It finds that it varies by business cycle. Prior to the great oil shock of 1973, price and nominal wage inflation were unconnected in a Granger-causal sense. In the 1970s, wage inflation caused price inflation. In the 1980s, the relationship reversed and price inflation caused nominal wage inflation. In the 1990s, the pattern has changed again, and there is some weak evidence of bidirectional causality between wages and PPI inflation. However, wages continue to have no impact on CPI inflation, which is widely viewed as one of the Fed's target variables. This suggests that wage inflation should be de-emphasized as a monetary policy information variable.     

应对资产价格波动的最优货币规则研究——基于福利损失函数的实证分析

通过构建最优货币政策模型对中国货币政策进行的实证检验,发现中国的货币政策主要以盯住通货膨胀为主要目标,同时关注产出的变化,但对股票价格波动的变化并没有给予充分的关注。而通过中国预设货币政策操作框架下对股票价格波动不同反应状况的分析,发现货币政策对资产价格赋予较小权重时,中央银行的福利损失函数将会有所改善;如果继续加大对资产价格干预的权重,则会导致中央银行福利损失函数的迅速恶化。因此可以认为,中央银行还不适宜对资产价格进行过度的关注,只适合在关注通胀和产出的基础上,对资产价格给予适度的关注。     

Monetary Policy, Nominal Interest Rates, and Long–Horizon Inflation Uncertainty

Empirical evidence presented in this paper shows that the predictability of inflation at long horizons varies considerably across countries. Both simple theory and empirical evidence suggest that the crucial factor is the extent to which systematic monetary policy succeeds in preventing a unit root in inflation. The mechanism by which it does this appears however to be complicated by strong empirical evidence that nominal as well as real interest rates have real effects, which implies that monetary policy need not be so vigorous in reactions to inflation. This helps to explain why inflation rates in the US and (especially) Germany have been relatively predictable, despite monetary policy rules which appear to have been barely stabilising. The paper also presents tentative evidence that the power of nominal interest rate effects is inversely related to long–horizon inflation uncertainty, and hence ultimately uncertainty about monetary policy.     

Demand shocks and productivity growth

This paper presents evidence on the relationship between cyclical shocks and productivity growth, for 20 2-digit SIC US manufacturing industries and a set of monetary policy, fiscal policy, and oil price shocks. The paper uses as a measure of productivity change a Solow residual corrected for a wide range of non-technological effects due to imperfect-competition, non-constant returns to scale, and cyclical utilization rates of capital and labor services. The empirical framework identifies policy shocks independently of productivity measurement issues via a two-step procedure. While the typical industry shows weak responses of productivity to the shocks considered, in some industries temporary contractionary policy shocks lead to increases in productivity. In addition, the results reveal that there are localized asymmetries, with contractionary policy shocks having larger productivity effects than their expansionary counterparts. The results support the thesis that job reallocation is an important channel linking contractionary policy shocks and productivity growth. These results support the pit-stop view of downturns.Received: April 200, Accepted: March 2005, António Gomes de Menezes: I thank participants at seminars at Boston College, University of Alberta and Simon Fraser University and two anonymous referees for helpful comments.