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【国際経済学セミナーと共催】
要旨:This paper examines the impact of temperature changes on rural-urban migration using a 56km×56km grid cell level dataset covering the whole world at 10-year frequency during the period 1970-2000. We find that rising temperatures reduce rural-urban migration in poor countries and increase such migration in middle-income countries. These asymmetric migration responses are consistent with a simple model where rural-urban earnings differentials and liquidity constraints interact to determine rural-to-urban migration flows. We also confirm these temperature effects using country-level observations constructed by aggregating the grid cell level data. We project that expected warming in the next century will encourage further urbanization in middle-income countries such as Argentina, but it will slow down urban transition in poor countries like Malawi and Niger.
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15:00〜16:30
要旨:This paper investigates unit-level monthly dynamics of housing rents through periods of tenancy and vacancy, using a unique panel of rental units in Tokyo through 1996-2017. We find that (i) consistent overall rent stickiness is attributable to the small extensive margin (limited adjustment opportunity) and small intensive margin (rare adjustment at contract renewal stages); (ii) expanded rent gaps from market level during tenancies become small during vacancies; and (iii) rents exhibit time/state dependence during both tenancies and vacancies, while a specific relationship between a long-term tenant and an owner results in a discount during the tenancy.
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10:00〜17:30
AY2018
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10:30〜12:00