Fiscal Balance and Current Account in Professional Forecasts

This paper investigates the relationship between financial institutions' expectations of the current account and the fiscal balance. Using professional macroeconomic forecasts for the G‐7 countries, we find a positive relationship between forecasts of the cyclically adjusted fiscal balance deficit and forecasts of the current account deficit, indicating that professional forecasts embody links implied by the twin deficits hypothesis. In assessing the relationship between the forecasts of the fiscal deficit and the current account, we find that forecasters correctly make the distinction between the effect of fiscal policy and automatic stabilizers.     

Joint tests for regularity and autocorrelation in allocation systems

In the context of allocation models with vector autoregressive errors we propose a convenient procedure, based on the Lagrange multiplier principle, for testing any possible combination of absence of serial correlation, homogeneity, and symmetry against any possible alternative which specifies autocorrelation of an arbitrary given order. We also derive generic expressions for the maximum likelihood estimation of the models under six possible combinations of constraints. The methodology is illustrated with the Rotterdam model and the differential AIDS model, both estimated from the same quarterly British data.     

Expectations and intertemporal separability in an empirical model of consumption and investment under uncertainty

An intertemporal model of consumption and investment under uncertainty is formulated, and compared with the existing literature; it is argued that an assumption of myopia is necessary for its empirical applicability. It is estimated by maximum likelihood with quarterly British data. A specification search for a satisfactory form of expectations is made, and the estimated model is compared with a static demand system. Strong intertemporal separability is formulated as a nested hypothesis, and strongly rejected by a likelihood ratio test.     

The effectiveness of exchange-rate-based monetary policy: evidence from survey data

Singapore’s monetary policy is centred on the management of the exchange rate. We examine how macroeconomic forecasters perceive the effectiveness of this unconventional policy. We provide empirical evidence that forecasters’ expectations are consistent with a forward-looking exchange-rate-based Taylor-type policy rule. They expect monetary authorities to actively manage the currency against expected future changes in inflation and output.     

Bilateral monopoly on a market for an intermediate good

In this paper we analyze a procedure through which price and quantity could be determined on a bilateral monopoly market for an intermediate good. The proposed solution concept is of a non-cooperative Nash equilibrium type. A dynamic process in which the bilateral monopolists repeatedly announce prices and quantities is studied. It is shown that, under particular assumptions, this process must converge to the proposed equilibrium solution. Finally, our solution concept leads to the competitive equilibrium if both sides of the market are ‘fractionated’ into a large number of ‘small’ buyers and ‘small’ sellers.     

Bayesian estimation of an extended local scale stochastic volatility model

A new version of the local scale model of Shephard (1994) is presented. Its features are identically distributed evolution equation disturbances, the incorporation of in-the-mean effects, and the incorporation of variance regressors. A Bayesian posterior simulator and a new simulation smoother are presented. The model is applied to publicly available daily exchange rate and asset return series, and is compared with t-GARCH and Lognormal stochastic volatility formulations using Bayes factors.     

An algorithm of game theory applied to the duopoly problem

In this note, an algorithm of Game Theory — Fictitious Play — is applied to a duopoly model: at each step of the algorithm, each duopolist chooses a quantity which maximizes his expected payoff, given the frequency distribution of his opponent's past choices. The algorithm is interpreted as a dynamic learning process and compared to Cournot's process. The successive pairs of quantities announced by the duopolists are proved to converge to a pair of non-cooperative equilibrium quantities. A more sophisticated version of the algorithm also has the same convergence properties.     

An evaluation of Chinese macroeconomic forecasts

This article evaluates the quality of professional macroeconomic forecasts in China for the years 1995–2009. Using a large panel of forecasts on four macroeconomic variables (GDP, inflation, consumption and investment), we reject the hypothesis of unbiasedness, and find that forecasters have been, on average, overly pessimistic. The source of the bias lies primarily in forecasters' slow adjustment to structural shocks to the level of economic growth. We also reject the hypothesis that forecasters use information efficiently, and find that a large number of forecasters overreact to economic news. Finally, we document large differences of forecast accuracy across both forecasters and variables.