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تعداد نتایج: 109524 فیلتر نتایج به سال:
Seller reputation generated by consumers leaving feedback is critical to foster trust in online marketplaces. Yet feedback may be under-provided if consumers are not rewarded to leave feedback. Signaling theory predicts that only high quality sellers would reward buyers for truthful feedback. We explore this scope for signaling using Taobao’s “reward-for-feedback” mechanism and find that items ...
We recently presented a methodology to quantitatively reduce the average time and variance in the time required to execute electronic transactions in a network environment such as the Internet. In the language of portfolio theory, time to complete a transaction and its variance replace the expected return and risk associated with a security, whereas restart times replace combinations of securit...
Internet Security, Vulnerability Disclosure and Software Provision* In this paper, we examine how software vulnerabilities affect firms that license software and consumers that purchase software. In particular, we model three decisions of the firm: (i) an upfront investment in the quality of the software to reduce potential vulnerabilities; (ii) a policy decision whether to announce vulnerabili...
We consider market rules for transferring IP addresses, numeric identifiers required by all computers connected to the Internet. Transfers usefully move resources from lowest to highest-valuation networks, but transfers tend to cause socially costly growth in the Internet’s routing table. We propose a market rule that avoids excessive trading and comes close to achieving social efficiency. We a...
Scholars have argued that online social networks and personalized web search increase ideological segregation. We investigate the impact of these potentially polarizing channels on news consumption by examining web browsing histories for 50,000 U.S.-located users who regularly read online news. We find that individuals indeed exhibit substantially higher segregation when reading articles shared...
We estimate the sensitivity of Internet retail purchasing to sales taxes using eBay data. Our first approach exploits the fact that a seller’s location—and therefore the applicable tax rate—is revealed only after a buyer has expressed interest in an item. We document how adverse tax “surprises” reduce the likelihood of purchase and shift subsequent purchases toward out-of-state sellers. We then...
We introduce and justify a taxonomy for the structure of markets and minimal institutions which appear in constructing minimally complex trading structures to perform the functions of price formation, settlement and payments. Each structure is presented as a playable strategic market game and is examined for its efficiency, the number of degrees of freedom and the symmetry properties of the str...
This paper examines the empirical validity of a model of homogeneous input demand under price uncertainty in which firms trade off expected input cost against its variability (risk) in selecting the optimal input supplier mix. Using recent work in time-series econometrics, this model is applied to the Japanese steam-coal import market, where five suppliers compete: China, the Soviet Union, Sout...
We study whether the effects on registered manufacturing output of dismantling the License Raj — a system of central controls regulating entry and production activity in this sector — vary across Indian states with different labor market regulations. The effects are found to be unequal across Indian states with different labor market regulations. In particular, following delicensing, industries...
This paper analyzes the evolution of firm size distribution in the U.S. manufacturing industries over 35 years from 1963 to 1997. Firm size distribution undergoes systematic changes, the magnitude and the direction of which depend on whether an industry experiences a phase of growth, shakeout, stability, or decline. The observed patterns have implications for the theories of industry dynamics a...
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