What caused the baby boom? And, can it be explained within the context of the secular decline in fertility that has occurred over the last 200 years? The hypothesis is that: 1. The secular decline in fertility is due to the relentless rise in real wages that increased the opportunity cost of...

General equilibrium models are used to explore the interactions between macroeconomics and the two components of population growth: natural increase and net-migration. The first questions at hand are: What caused the baby boom? Can it be explained within the context of the decline in fertility...

Some facts characterizing the U.S. economic development in the 19th century are: (i) the westward movement of population; (ii) the accumulation of productive land; and (iii) the wage gap in favor of the West. An overlapping-generations model is developed, to account for these facts. The model's...

During the first half of the 20th century the workweek in the United States declined, and the distribution of hours across wage deciles narrowed. At the same time, the distribution of wages narrowed too. The hypothesis proposed is (i) Households have access to an increasing number of leisure...

What drove western population growth in the U.S. during the 19th century? The facts are: (i) Natural increase was higher in the West than in the East; and (ii) in the early stages of the settlement process, net migration could account for up to 80% of population growth in some regions. A general...

Eleven percent of the Malawian population is HIV infected. Eighteen percent of sexual encounters are casual. A condom is used one quarter of the time. A choice-theoretic general equilibrium search model is constructed to analyze the Malawian epidemic. In the developed framework, people select...

What type of businesses do unions target for organizing? A dynamic model of the union organizing process is constructed to answer this question. A union monitors establishments in an industry to learn about their productivity, and decides which ones to organize and when. An establishment becomes...

An endogenous growth model is developed where each period firms invest in researching and developing new ideas. An idea increases a firm's productivity. By how much depends on how central the idea is to a firm's activity. Ideas can be bought and sold on a market for patents. A firm can sell an...

Union membership displayed an inverted-U-shaped pattern over the 20th century, while the distribution of income sketched a U. A model of unions is developed to analyze these phenomena. There is a distribution of firms in economy. Firms hire capital, plus skilled and unskilled labor. Unionization...

Marriage has declined since 1960, with the drop being bigger for non-college educated individuals versus college educated ones. Divorce has increased, more so for the non-college educated. Additionally, positive assortative mating has risen. Income inequality among households has also widened. A...