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Do scale economies contribute to our understanding of international trade? Do international trade flows encode information about the extent of scale economies? To answer these questions we examine the large class of general equilibrium theories that imply Helpman-Krugman variants of the Vanek...
Persistent link: https://www.econbiz.de/10012470795
This paper develops and analyzes a general-equilibrium model with sticky information. The only rigidity in goods, labor, and financial markets is that agents are inattentive, sporadically updating their information sets, when setting prices, wages, and consumption. After presenting the...
Persistent link: https://www.econbiz.de/10012466056
Broadly defined, macroeconomic forecasting is alive and well. Nonstructural forecasting which is based largely on reduced-form correlations, has always been well and continues to" improve. Structural forecasting, which aligns itself with economic theory and hence rises and" falls with theory,...
Persistent link: https://www.econbiz.de/10012472523
This paper asks whether relations of the IS-LM type can sensibly be used for the aggregate demand portion of a dynamic optimizing general equilibrium model intended for analysis of issues regarding monetary policy and cyclical fluctuations. The main result is that only one change -- the addition...
Persistent link: https://www.econbiz.de/10012472953
high volatility are followed by periods of low volatility. For instance, the turbulent 1970s were followed by the much more … tranquil times of the great moderation from 1984 to 2007. Modeling these movements in volatility is important to understand the … different mechanisms proposed in the literature to generate changes in volatility similar to the ones observed in the data …
Persistent link: https://www.econbiz.de/10012462039
Shocks to equity options' ATM implied volatility (ATMIV) are followed by persistently lower short-term rates. Shocks to …
Persistent link: https://www.econbiz.de/10012461893
We study the effects of on-the-job skill accumulation on average hours worked by age and the volatility of hours over … volatility of hours over the life cycle depends on the value of the intertemporal elasticity of labor supply. When individuals … accumulate skills by on-the-job training, there are only weak effects on both the steady-state labor supply and its volatility …
Persistent link: https://www.econbiz.de/10012465043
This paper studies the implications of financial market imperfections represented by a countercyclical external finance premium and the gradual recognition of changes in the drift of technology growth for the design of an interest rate rule. Asset price movements induced by changes in trend...
Persistent link: https://www.econbiz.de/10012466222
In this paper we investigate the sources of the important shifts in the volatility of U.S. macroeconomic variables in … the postwar period. To this end, we propose the estimation of DSGE models allowing for time variation in the volatility of … investment specific technology shocks account for most of the sharp decline in volatility of the last two decades …
Persistent link: https://www.econbiz.de/10012466647
replicating the observed levels of volatility of unemployment and other key variables. I take variations in productivity growth … market are essential for understanding the volatility of unemployment. These models include simple equilibrium wage … of the three models match the observed volatility of unemployment …
Persistent link: https://www.econbiz.de/10012466992