We examine how exposure of Chinese firms to the Covid-19 shock varied with a cluster index (measuring spatial agglomeration of firms in related industries) at the county level. Two data sources are used: entry flows of newly registered firms in the entire country, and an entrepreneur survey...

Utilizing a novel database of trip ticket bookings in China during 2017–2019, we examine whether people escape from pollution by traveling to “cleaner” places. We construct travel flows at the city-pair-reservation-date level. Combining IV with high-dimensional fixed effects, we find a...

We examine how exposure of Chinese firms to the Covid-19 shock varied with a cluster index (measuring spatial agglomeration of firms in related industries) at the county level. Two data sources are used: entry flows of newly registered firms in the entire country, and an entrepreneur survey...

This paper analyses the influence of in-house R&D and external knowledge acquisition on the total factor productivity (TFP) of listed Chinese firms for the time period 2001-2010. We find a quantitatively important positive effect of in-house R&D. The achieved level of technological...

Because China has become one of the largest applicants of PCT patents, it is of interest to compare the quality of Chinese and non-Chinese applications. We extend a quality index based on internationally comparable citation data from international search reports (ISR) to consider foreign,...

In a recent paper, Bloom et al. (2020) find evidence for a substantial decline in research productivity in the U.S. economy during the last 40 years. In this paper, we replicate their findings for China and Germany, using detailed firm-level data spanning three decades. Our results indicate that...

This study investigates the allocation and effect of technology subsidies on R&D activities and technology acquisitions of Chinese domestic firms. We exploit novel firm data which includes information on subsidies, R&D, patents, trade, and balance sheet indicators. Conditional...

The objective of this study is to investigate the relation between increasing Chinese high-tech exports and the technological capabilities of Chinese companies. China s recent innovation policy provides substantial incentives for companies to pursue technological upgrading and...