Over the last few decades, countries have experienced quite different patterns of productivity growth. In this paper, we emphasize the role of country level demographics in explaining these differences. In particular, looking over the period 1960-2002, we show that cross-country data support the...

In this paper we document the pattern of change in age-earnings profiles across cohorts and evaluate its implications. Using synthetic cohorts from the Survey of Consumer Finances over the period 1971 to 1993, we show that the age-earnings profiles of Canadian men have been deteriorating for...

For both empirical and theoretical reasons, the mechanism by which existing efficiency-wage models link job rationing with turnover costs is unsatisfactory. This paper extends the standard turnover-efficiency-wage model by formally examining the determination of wages as the outcome of a...

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...

This paper provides a unifying framework for studying renegotiation of contracts in the presence of asymmetric information. We show that interim renegotiation does not constrain the set of contracts attainable with full commitment, regardless of whether renegotiation offers are made by the...