Recent empirical firm level studies reveal the structural heterogeneity of firms in process and product innovation, as well as the central role of product quali
"This dissertation consists of essays studying how macroeconomic outcomes, particularly aggregate productivity growth, are affected by the change in market envi
Economic Theory, Dynamics, and Markets. The collection of essays in honor of Ryuzo Sato, written by his colleagues and students, covers the many fields of econo
As firms increasingly rely on knowledge as a key factor for innovation, the ability to innovate is increasingly perceived as a key asset for being competitive i
In this dissertation, I focus on studying three questions about international trade including the interactions between trade and immigration, how trade liberali