We use detailed product- and firm-level data to study the sources of innovation and the patterns of productivity growth over the period from 2007 to 2013. We document several new facts on product reallocation. First, every quarter around 8 percent of products are reallocated in the economy, and...

Economists have identified product entry and exit as a primary channel through which innovation impacts economic growth. In this paper, we document how high-skill immigration affects product reallocation (entry and exit) at the firm level. Using data on H-1B Labor Condition Applications (LCAs)...

Economists have identified product entry and exit as a key mechanism through which innovation translates into economic growth. In this paper we document how high-skill immigration, under the H-1B visa program, affects product reallocation (entry and exit) at the firm level. We create a new...

We study the relationship between patents and actual product innovation in the market, and how this relationship varies with firms’ market share. We use textual analysis to create a new data set that links patents to products of firms in the consumer goods sector. We find that patent filings...

We study the relationship between patents and actual product innovation in the market, and how this relationship varies with firms' market share. We use textual analysis to create a new data set that links patents to products of firms in the consumer goods sector. We find that patent filings are...