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分類番号: CARF-F-351
発表時期: 2014 09
タイトル: Working Less and Bargain Hunting More: Macro Implications of Sales during Japan's Lost Decades
著者: Nao Sudo, Kozo Ueda, Kota Watanabe, Tsutomu Watanabe
Abstract:

Standard New Keynesian models have often neglected temporary sales. In this paper, we ask whether this treatment is appropriate. In the empirical part of the paper, we provide evidence using Japanese scanner data covering the last two decades that the frequency of sales was closely related with macroeconomic developments. Specifically, we find that the frequency of sales and hours worked move in opposite directions in response to technology shocks, producing a negative correlation between the two. We then construct a dynamic stochastic general equilibrium model that takes households' decisions regarding their allocation of time for work, leisure, and bargain hunting into account. Using this model, we show that the rise in the frequency of sales, which is observed in the data, can be accounted for by the decline in hours worked during Japan's lost decades. We also find that the real effect of monetary policy shocks weakens by around 40% due to the presence of temporary sales, but monetary policy still matters.

ファイル(PDF): full paper
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