The Impact of Regional Difference in Unionism on Employment
研究工会主义变化是否影响经济中的总就业水平，特别关注生活在工会强弱不同地区的个人就业概率差异。
A study of whether changes in unionism affect the aggregate level of employment in the economy and, in particular, whether an individual who lives in an SMSA where unions are weak is more likely to be employed than an individual who lives in an area where unions are strong.