Purchasing Power Parity in South East Asian Countries Economies: A Cointegration Approach

This paper presents findings from a study of the long-run purchasing power parity (PPP) conditions in five Asian economies. The cointegration tests using exchange rates and price indices from end-of-quarter observations over the last twenty years reject the PPP proposition for all countries. The absolute version of the PPP hypothesis is tested next by using lower frequency, that is, semi-annual and annual, data. In general these tests also failed to support the long-run PPP hypothesis. Further analysis using the Johansen-Juselius (1990) multivariate approach also failed to support the hypothesis.     

Two Models of the Auditor - Client Interaction: Tests with United Kingdom Data*

Abstract. Accounting research contains two distinct approaches to the interaction between accounting management and the independent auditor. Game theory suggests that the auditor's testing strategy will affect the manager's reporting strategy and that the two strategies form an equilibrium. The game-theoretic approach views the auditor as active, in that the auditor acknowledges the effect that his or her testing strategy has on the manager's reporting. In contrast, in the decision-theoretic approach, the auditor tests reports, but ignores the effect that such testing might have on the manager's reporting behavior. Essentially, the decision-theoretic approach views the auditor as passive, taking the reporting strategy as given when designing tests. We use United Kingdom data to estimate both models and test their validity using nested hypothesis tests. Our results demonstrate that the active, game-theoretic model better describes the auditor-manager interaction. This is the first empirical validation of the game-theoretic model using archival accounting data.     

Export-output causality: The Irish case 1953–93

Despite proposed theoretical relationships, recent empirical research has found no conclusive support for a causal relationship between exports and output. Using the methodological approach based on the statistical theory of cointegration and Granger causality tests, the causal relationship between exports and output is examined here using Irish data. The Johansen technique is used and error-correction modeling is incorporated into the Granger causality tests. Results suggest that exports and GDP are cointegrated. Augmented Granger causality tests indicate support for the export-led growth hypothesis since there is evidence of short-run and long-run causality from exports to output.An earlier version of this paper was presented at the Forty-First International Atlantic Economic Conference in Paris, France, March 13–18, 1996. The author would like to thank Liam Gallagher and Van Newby for helpful comments.     

Market structure,conduct and performance: Evidence from the Bangladesh banking industry

With regard to the market structure and performance in Bangladesh banking industry, there are two competing hypotheses—the traditional structure–conduct–performance (SCP) hypothesis and the efficiency hypothesis (EH). Using pooled and annual data for the period 1999–2002, this study tests the validity of these two hypotheses. In general, the results of this study support the EH hypothesis as an explanation for market performances in Bangladesh, but for definitive policy purposes, the impact of the banking structure needs to be explored further.     

Real exchange rates and unit root tests

Real Exchange Rates and Unit Root Tests. — This paper examines monthly OECD exchange rate data (1979–1997) using univariate and panel data unit root tests. Some of these tests support the hypothesis of a unit root. But tests of cointegration reveal the existence of weak purchasing power parity relationships between bilateral nominal exchange rates and relative prices. We suggest that researchers need not conduct unit root tests on real exchange rate data when a modified version of PPP is used; or if there is a long enough time series. Given the definition of real exchange rates, the indicator should be stationary and should have intrinsic mean reverting behaviour.     

Understanding the inflation–output nexus for China

In this article we examine several hypotheses relating to output and inflation dynamics in China. The hypotheses tests are based on the exponential generalised autoregressive conditional heteroskedasticity (EGARCH) model of Nelson [Nelson, D. (1991). Conditional heteroskedasticity in asset return: A new approach, Econometrica, 59, 347–370]. Our findings suggest that Chinese output–inflation behaviour is consistent with the hypothesis that increased inflation uncertainty lowers average inflation; the hypothesis that inflation volatility reduces economic growth and the hypothesis that higher output volatility increases economic growth. However, we find no support for the hypothesis that higher output volatility increases the average inflation rate.     

Bank competition and monetary policy

There is an apparent theoretical discrepancy between the effects of monetary policy shocks on economies with differently competitive banking sectors. We employ cross-country data to investigate this hypothesis with two different approaches. First, using aggregate data we analyze the correlation between two indices: (i) a cumulative impulse response function providing an index of the effect of monetary policy shocks; and (ii) Panzar and Rosse's H-statistic as an index of the state of bank competition. Second, using disaggregated data we regress bank lending on the interaction of bank competition and monetary policy shocks. The first approach does not provide any evidence of a relationship between monetary policy shocks and bank competition. However, the second approach suggests that competition in the banking industry leads to smaller monetary policy effects on bank lending.     

Testing purchasing power parity for Japan and the US: A structural-break approach

In this work we empirically assess the weak and strong forms of purchasing power parity (PPP) hypothesis for the economies of Japan and US. Monthly data for the, traded-goods price indices and the JPY/USD exchange rate are employed for the, period from January 2000 to October 2012. This period includes large shocks, such as, the US subprime crisis and the 2011 Tsunami in Japan. We take into account possible, structural shifts and breaks by employing the class of Lee and Strazicich, 2003, Lee and Strazicich, 2004 unit, root tests. Empirical analysis suggests that a break corresponding to the start of the US subprime crisis is not rejected. Furthermore, utilizing the Gregory and Hansen (1996) and, Hatemi (2008) cointegration methodologies, the weak form of PPP is not rejected. We, also test the strong PPP hypothesis by using Dynamic Ordinary Least Squares, (DOLS). The empirical evidence rejects the strong form of PPP for the period, preceding the US subprime crisis in contrast to the period after.     

An empirical investigation of the sustainability of the public deficit in Portugal

In this paper, we investigate Portuguese government expenditures and revenues as an example for a long time series. Our hypothesis states that there may be periods when the deficit is sustainable and those when it is not. Usually, after a period of unsustainable deficits, a new regime takes over. These regime shifts call for an approach that takes into account a non-constant structure of the underlying data generating process. Consequently, we use different tests which we set up in a time-varying framework. We apply and compare the results of the Trace test, Breitung’s non-parametric test and the Bohn test. We identify several break points and find that the Trace test performs worst in this case while Breitung’s test and the Bohn test give similar results. Comparing the results with history, we find that the last two tests best reflect what happened historically.     

The relationship between saving and investment for Japan

In this paper, we revisit the saving and investment nexus as postulated by Feldstein and Horioka (FH) [Econ. J. 90 (1980) 314]. We test for cointegration between saving and investment using the recently developed bounds testing approach to cointegration and derive the long-run elasticities using the autoregressive distributed lag modeling approach for Japan over the period 1960–1999. We establish the unit root properties of the data in the presence of structural break(s) using the Zivot and Andrews (ZA) [J. Business Econ. Stat. 10 (1992) 251] and the Lumsdaine and Papell (LP) [Rev. Econ. Stat. 79 (1997) 212] tests. Finally, we ascertain the direction of causation between saving and investment by using the bootstrap approach. Amongst our key results we find that saving and investment are cointegrated for Japan; investment causes saving and saving causes investment; shocks to saving and investment have a permanent effect; and the long-run coefficient on saving is 0.68, implying a moderate rate of correlation. From the latter finding, we believe that there is no puzzle between saving and investment in the case of Japan, a result contrary to FH (1980).     

Purchsing power parity: Some ‘long run’ evidence from the recent float

Summary In this paper the absolute and relative versions of purchasing power parity (ppp) are tested using annual data (over the period 1973–1985) for 5 countries. In contrast to much of the literature on ppp, evidence in favour of the ppp hypothesis is reported, particularly when a wholesale price index is used. A novel feature of the approach is the use of a pooled cross section-time series analysis.I am indebted to Hector Williams for efficient research assistance.     

A Test of the Rational Expectations-Permanent Income Hypothesis for Singapore

This paper tests the rational expectations-permanent incomc hypothesis (REPIH) for Singaporc using the methodology developed by Hall (1978) and Flavin (1981). Thc statistical evidcncc suggests that the REPIH cannot be rejected.     

PURCHASING POWER PARITY IN AFRICAN COUNTRIES: EVIDENCE FROM PANEL SURADF TEST

This study reexamines the validity of long-run purchasing power parity (PPP) hypothesis using a battery of panel unit root tests for 11 developing countries in Africa over the period 1980-2007. Based on the conventional panel unit root tests, we found evidence that the monthly real exchange rates in these countries were mean reverting. By contrast, the series-specific unit root test proposed by Breuer et al. (SURADF) reveals that only six of the 11 RERs series were stationary using the US dollar as reference currency. Additionally, our results reveal that there is stronger evidence of the parity condition with the Rand-based rates than in the other currency-based rates like the US dollar or Euro. We conclude that PPP holds in some, but not all, of the African countries according to the SURADF tests.     

Stock market rationality and price volatility: Tests using Japanese data

This paper tests the stock market rationality hypothesis, which implies that a stock price is determined as the discounted sum of optimally forecasted future dividends. Mankiw-Romer-Shapiro volatility tests and new volatility tests which do not use the unobservable “ex post rational price” are applied to the data from a stock market in Japan. A Hausman type specification test of the market rationality hypothesis is also developed and applied to the data. The results suggest that we cannot reject the hypothesis that the Japanese stock market is rational. A couple of variance inequalities are violated by the data but the violation does not seem to be significant. J. Japan. Int. Econ., December 1987, 1(4), pp. 441–462. Massachusetts Institute of Technology, Cambridge, MA 02139.     

Testing PPP for the South African Rand/US Dollar Real Exchange Rate at Different Data Frequencies

This paper tests the PPP hypothesis for the South African rand/US dollar real exchange rate using a fractional integration framework. The results suggest that the real exchange rate of the South African rand with respect to the US dollar is a highly dependent variable with an order of integration very close to 1. This finding is not affected by the data frequency considered (daily, weekly or monthly). Also, there appears to be a single break in December 2001 (possibly corresponding to a change in the monetary policy framework), with the unit root null being rejected in favour of d > 1 for the periods before the break, but not afterwards. Thus, our results strongly reject the PPP hypothesis for the South African rand/US dollar rate across data frequencies, since shocks are found to affect the exchange rate forever.     

Similarities in the Consumption Patterns of the Five Asian Tigers

The five countries of Hong Kong, Japan, Korea, Singapore and Taiwan are considered to be the major Asian economic 'Tigers' behind Asia's growth in the late 1900s. In this paper, we analyze the consumption patterns of these five countries, using the most recent consumption data and employing the system-wide approach. We find that the consumption data from these five countries support a number of empirical regularities, including the 'law of demand' and 'Engel's law'. Based on the estimation results, we find that in all five countries, food, housing and medical care (except in Taiwan) are necessities, while clothing, durables (except in Singapore) and transport are luxuries. Demand for all the commodities is price inelastic. Furthermore, we find that the demand hypothesis, homogeneity, is acceptable for all five countries while Slutsky symmetry is acceptable only for Hong Kong, Singapore and Taiwan. We also find that the preference-independence hypothesis is acceptable for all countries except Japan. Overall, consumption patterns of consumers appear to be similar across the five countries, while some differences exist between Japan and the other four countries.     

Employment burden, government ownership and soft budget constraints: Evidence from a Chinese enterprise survey

This paper investigates two competing theories of soft budget constraint (SBC), namely the ownership hypothesis and the policy burden hypothesis. While the ownership hypothesis attributes the SBC problem to government ownership, the policy burden hypothesis predicts that privatization would not eliminate the SBC problem, as long as the major policy burden – maintaining employment – is not removed from enterprises. Using a panel dataset from a survey of Chinese enterprises, I conduct empirical tests on these two competing hypotheses. I explicitly address endogeneity and data-censoring problems by using instruments and estimating a two-step tobit model. The test results support the policy burden hypothesis but not the ownership hypothesis. My finding emphasizes the importance of creating a sound social security system in the process of China's enterprise reform.     

The link between unemployment and labor force participation rates in Japan: A regional perspective

This paper explores the co-integrating relationship between unemployment and the labor force participation rate in Japan from a regional perspective. The univariate co-integration tests indicate that the “no co-integration” hypothesis cannot be rejected in Northern-Kanto, Hokuriku and Kyusyu. Because the univariate co-integration approach might suffer from low power we employed a panel version of the co-integration test recently developed by Westerlund (2006) that also considers the possibility of multiple structural breaks in the level of individual co-integrating equations. The test results lend support for an overwhelmingly long-run relationship between the two variables across regions. Accordingly, this finding is not in line with the unemployment invariance hypothesis. As a result a nationally orientated employment policy aimed at improving the unemployment and labor force participation rates might be preferred over a region-specific employment policy in Japan.     

THE EFFECTS OF WORKERS' REGION OF BIRTH ON LABOR MARKET OUTCOMES IN THE REPUBLIC OF KOREA

In this paper, we investigate empirically whether there are differences in labor market outcomes according to workers' region of birth. We also investigate whether wage differentials by region of birth are due to taste discrimination, statistical discrimination as measurement error, or both of these things. The empirical analyses based on the Korean Labor and Income Panel Study (KLIPS) data show the following. First, Honam‐born workers have a higher migration ratio to other regions than Youngnam‐born workers. Second, workers born in other regions have a higher propensity to become contingent workers and are paid significantly lower wages than Seoul/Kyonggi‐born workers. Finally, our empirical tests support the third hypothesis that wage differentials by region of birth are attributable partly to statistical discrimination as measurement error and partly to taste discrimination. We rejected a hypothesis based solely on taste discrimination as well as a hypothesis based solely on statistical discrimination as measurement error.