Average wage growth is closely related to aggregate productivity growth across countries and within countries over time. The commonality of patterns across OECD countries suggests that common factors are at work. Are productivity-based explanations of wage changes consistent with increasing...

The globalization of firms is explored at theoretical and empirical levels. The idea is that a global firm is a multi-cultural team. The existence of a global firm is somewhat puzzling. Combining workers who have different cultures, legal systems, and languages imposes costs on the firm that...

One of the economic benefits of immigration is that the diversity of the population is enhanced. Diversity, it is argued, enriches the environment in which individuals live and trade and may contribute to greater creativity. What does diversity mean? Do current immigration policies enhance...

Entrepreneurship requires energy and creativity as well as business acumen. Some factors that contribute to entrepreneurship may decline with age, but business skills increase with experience in high level positions. Having too many older workers in society slows entrepreneurship. Older workers...

This paper is another contribution to the vast literature which addresses this issue: comparison of household income per capita among households of different structures requires judgment about the relationship between real income and family size. Our work uses a revealed preference approach in...