Building on the work of Pantula (1986), this paper discusses how the hypothesis of conditional variance nonstationarity in the logarithmic family of generalized autoregressive conditional heteroskedasticity (GARCH) and stochastic volatility processes may be tested using regression-based tests....

This paper explains the contradictory findings from long-run and short-run tests of the rational expectations hypothesis of the term structure. Recent research suggests that, while the long-run tests support the theory, the short-run tests do not. Our results which are based on US Treasury bills...

In this paper, we examine whether policy interventions, aimed at improving resource allocation, also have important stabilization effects over the business cycle. To this end, we employ a dynamic stochastic general equilibrium model in which public education expenditures, financed by distorting...