host-country research and development effort in response to foreign competition, is one of three examining the impact of …

We examine competition amongst ridesharing platforms where firms compete by choosing both the price of rides and the … involve monopoly or competition under various multihoming regimes, depending on the density of the city, and the relative …

competition from demand shocks in export markets – and the induced product mix reallocations – induce productivity changes within … the firm. We then empirically test for this connection between the demand shocks and the productivity of multi …-product firms exporting to those destinations. We find that the effect of those demand shocks on productivity is substantial – and …

degree of competition in a market with the share of nonprofits: the availability of economic profits under for-profit status …

industrial policies allocated to competitive sectors or that foster competition in a sector increase productivity growth. We … measure competition using the Lerner Index and include as industrial policies subsidies, tax holidays, loans, and tariffs …. Measures to foster competition include policies that are more dispersed across firms in a sector or measures that encourage …

factor productivity (TFP) levels. We find that among surviving polluting plants, stricter air quality regulations are … productivity, though effects are also evident among particulates and sulfur dioxide emitters. Carbon monoxide regulations, on the …