We investigate the existence of nonlinearities in the dynamics of the returns of stock markets indices from CEE economies. We use several types of nonlinear tests. We discuss the implications of the results with respect to the efficient market hypothesis.

This paper deals with the presence of asymmetric effects of monetary policy on real activity in Tunisia, using a threshold vector autoregressive model. Two kinds of asymmetry are investigated: asymmetry related to the phase of the business cycle and asymmetry related to the direction of the...

Euler-equation methods for solving nonlinear dynamic models involve parameterizing some policy functions. We argue that in the typical macroeconomic model with valuable leisure, labor function is particularly convenient for parameterizing. This is because under the labor-function...

The paper develops a unit-root test that allows for an unknown number of structural breaks with unknown functional forms. The test is based on the fact that the behavior of such series can often be captured using a single frequency component of a Fourier approximation. Hence, instead of...

We hold the fort for linear specification of monetary policy and economic activity in Europe. Using data on the last two and a half decades we cannot reject the hypothesis that monetary policy is a linear process and we find mixed results regarding economic activity.

Many estimates of early-warning-system (EWS) models of currency crisis have reported incorrect standard errors because of serial correlation in the context of panel probit regressions. This paper documents the magnitude of the problem, proposes and tests a solution, and applies it to previously...