The high-tech sector is concentrated in a small number of cities. ten largest clusters computer science, semiconductors, and biology account for 69 percent, 77 59 percent all US inventors, respectively. Using longitudinal data on 109,846 I find that geographical agglomeration results significant productivity gains. When an inventor moves to city with large cluster inventors the same field, she ...

Recent protest movements brought attention to the one percent, a segment of the population that is critical to understanding inequality and social mobility but that attracts relatively little research attention. In this article, I survey current research on the one percent in the United States. I distinguish income from wealth and show that both are very concentrated but that the concentration ...

This paper uses 2973 loan profile records of 2810 poor households who have taken these loans from different quasi-formal sources of which about 50 percent of the loan taken is supplied by the Ultra-poor oriented program designed by PKSF. The objective of this program was to create some income source for these Ultra-poor through credit support. But diversion of loan use from the proposed IGA to ...