Objective In frst-line treatment of advanced or metastatic nonsquamous non-small-cell lung cancer (NSCLC), the ORIENT-11 study demonstrated a signifcant progression-free survival and overall survival for sintilimab plus chemotherapy in comparison with chemotherapy alone. But the...

We estimate the causal effects of a pandemic-era wage subsidy program in Canada on job losses and business closures. Our estimates use administrative microdata and a regression discontinuity strategy to estimate the effects of marginal changes in the wage subsidy rate. The estimated net wage...

This paper measures how much more households pay for less density in their immediate surroundings. Using transaction and administrative data in Singapore, and exploiting the in- troduction of a regulation that restricted the number of housing units for certain land lots, we find that households...

We show that the prevalence of prolonged tennis contests drops sharply when the ambient environment deteriorates through heat or pollution. We develop a multi-battle dynamic model to investigate how the disutility from a protracted competition shapes agents' willingness to fight on. Our theory...

Firm ownership is a dening feature of immigrant adaptation: 41% of immigrants own a firm at some point in their first 10 years post-arrival. We use Canadian data linking immigrant arrival records with individual and firm tax data to examine the process of entering firm ownership for immigrants....