作者：Michigan State University
摘要：During the air conditioner industry's first four decades, most installations were commercial comfort air conditioning systems, purchased by retailers to increase demand for their products. Air conditioning spread unevenly through the commercial sector and across the country. Using data from a variety of sources, I offer a quantitative account of this diffusion, viewed through an interpretive framework that emphasizes differences across geographic markets and industries in the costs and benefit...
作者：Hillmann, Henning; Gathmann, Christina
作者：INRAE
摘要：Building on a large sample of elderly French individuals, we evaluate the resources that were available to the old. We find that a considerable percentage of the French population did not have sufficient assets to live off of when aged. We compare the savings behaviors of pensioners and non-pensioners at a time when only a small part of the labor force was entitled to a pension. We show that pensioners were better able to accumulate wealth than were non-pensioners, even when we take into accou...
作者：University of California System; University of California Santa Cruz
