"It is often argued that changes in expectation are an important driving force of the business cycle. However, it is well known that changes in expectations cannot generate positive co-movement between consumption, investment and employment in the most standard neo-classical business cycle...

Most macroeconomic models, both fully structural models as well as SVAR models, view economic outcomes as the product of a combination of endogenous and exogenous dynamic forces. In particular, the exogenous forces are generally modeled as a set of linearly independent dynamics processes. In...

Over the 1980s and 1990s the wage differentials between men and women (with similar observable characteristics) declined significantly. At the same time, the returns to education increased. It has been suggested that these two trends may reflect a common change in the relative price of a skill...

There is a long tradition in macroeconomics suggesting that market imperfections may explain why economies repeatedly go through periods of booms and busts, with booms sowing the seeds of the subsequent busts. This idea can be captured mathematically as a limit cycle. For several reasons, limit...

Medium-run macroeconomics refers to aggregate economic phenomena that manifest over periods of 10 to 25 years. This area of research has emerged over the last decade as a new and distinct field of enquiry. In this paper, I overview a set of personal attempts aimed at understanding certain...