Software is a good with very special economic characteristics. Taking a general definition of software as its starting-point, this article systematically elaborates the central qualities of the commodity which have implications for its production and cost structure, the demand, the...

An early age at first marriage is known to be associated with a high risk of divorce. Yet it has been suggested that beyond a certain point, the relationship between age at marriage and marital instability may become positive, because as unmarried women begin to hear their biological clock tick,...

This paper examines income inequality over stages of the later-life course (age 45 and older) and systems that can be used to mitigate this inequality. Two hypotheses are tested: Levels of income inequality decline during old age because public benefits are more equally distributed than work...

A critical period for language learning is often defined as a sharp decline in learning outcomes with age. This study examines the relevance of the critical period to English proficiency among immigrants in the US. It uses microdata from the 2000 US Census, a model of language acquisition from...

Toyboy marriages (where the female partner is at least 5 years older than her male partner) have grown threefold since the 1970s in the United States and Britain. This paper examines this phenomenon using an equilibrium search framework in which becoming successful in the labour market takes...

We study the steady state of an overlapping generations economy where singles search for spouses. In our model economy men and women live for many years and they differ in their fecundity, in their earnings, and in their survival probabilities. These three features are age-dependent and...

Do workers sort more randomly across different job types when jobs are harder to find? To answer this question, we study the mobility of male workers among three-digit occupations in the matched files of the monthly Current Population Survey over the 1979-2004 period. We clean individual...

Elderly have been increasingly targeted as a group to enhance economic development and the tax base in communities. While recent literature on elderly migration tends to focus on how elderly migration patterns are influenced by state fiscal variables, the reverse effect from elderly population...