We empirically study how the interplay between entry and subcontracting choices is affected by the use of different auctions formats in public procurement. The differencein-differences strategy used exploits a dataset of auctions for public works run alternately under first price and average bid auctions. We find that the use of first price auctions causes a marked decline in both entry and sub...

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Six hens pecked a key (Experiment 1) or pushed a door (Experiment 2) to obtain food reinforcement. In both experiments and as an analogue of price changes, the response requirements were varied in two ways: by increasing the number of responses required and by increasing the required force of each response. The two price manipulations (response number and response force) had different effects o...

The stock bar has emerged as a platform for small and medium investors to voice their opinions, which can play supervisory role of social network. Using the data listed companies from 2008 2021, this paper studies impact public opinion on price synchronism. We find that an inhibitory effect synchronicity, conclusion is still valid after series robustness tests. This more obvious in with integra...