Publication: Technology Gap Matters on Spillover
Abstract
This paper develops an oligopoly model with endogenous technology spillovers through foreign direct investment (FDI). The foreign entrant brings a superior technology and therefore may spend resources to prevent spillovers of its technology to the home firm. The home firm has an incentive to spend resources to gain these spillovers. After firms strategically choose their expenditures to influence technology spillovers, they compete in a Cournot-Nash quantity game. This study provides theoretical insight on the positive and negative empirical spillover results of FDI on productivity of local firms. Up to a critical bound, the larger the initial technology gap between the foreign and home firms, the more the home firm spends to gain spillovers. Past that boundary, the home firm decreases spending. As a result, the home firm's profits from spillovers vary, but larger technology gaps engender greater net profit losses from FDI.
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Publication To Share or Not to Share: Does Local Participation Matter for Spillovers from Foreign Direct Investment?(2008)This study hypothesizes that the ownership structure in foreign investment projects affects the extent of vertical and horizontal spillovers from foreign direct investment (FDI) for two reasons. First, affiliates with joint domestic and foreign ownership may face lower costs of finding local suppliers of intermediates and thus may be more likely to engage in local sourcing than wholly owned foreign subsidiaries. This in turn may lead to higher productivity spillovers to local producers in the supplying sectors (vertical spillovers). 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Their findings also suggest that foreign-owned subsidiaries rely mostly on the direct transfer of technology from their parents and that firms that import intermediate inputs are more likely to acquire new technology from their machinery suppliers.Publication Insurance, Credit, and Technology Adoption : Field Experimental Evidence from Malawi(2009)Does production risk suppress the demand for credit? We implemented a randomized field experiment to ask whether provision of insurance against a major source of production risk induces farmers to take out loans to adopt a new crop technology. The study sample was composed of roughly 800 maize and groundnut farmers in Malawi, where by far the dominant source of production risk is the level of rainfall. We randomly selected half of the farmers to be offered credit to purchase high-yielding hybrid maize and groundnut seeds for planting in the November 2006 crop season. The other half of farmers were offered a similar credit package, but were also required to purchase (at actuarially fair rates) a weather insurance policy that partially or fully forgave the loan in the event of poor rainfall. Surprisingly, take-up was lower by 13 percentage points among farmers offered insurance with the loan. Take-up was 33.0% for farmers who were offered the uninsured loan. There is suggestive evidence that reduced take-up of the insured loan was due to farmers already having implicit insurance from the limited liability clause in the loan contract: insured loan take-up was positively correlated with farmer education, income, and wealth, which may proxy for the individual's default costs. 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