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DESCRIPTION:Moynihan Institute\, and the program for Trade\, Development\,
and Political Economy is proud to host Mr. Chong Xiang\, professor of econ
omics at Purdue University.This paper analyzes the role of division of lab
or along the supply chain for generating scale economies and \;product
ivity growth. We construct a novel data set of firm-to-firm links which in
cludes information on the \;occupation structure of buyers and supplie
rs. Using an instrumental variable approach\, we find that firms hit \
;by positive demand shocks raise output and labor productivity\, and that
their occupation structure diverges \;relative to their suppliers. We
build a parsimonious model of heterogeneous firms and tasks\, and estimate
the \;model by simulated method of moments. The estimated model param
eters suggest that specialization along \;the supply chain gives rise
to substantial scale economies.
DTEND:20230410T211500Z
DTSTAMP:20260512T200624Z
DTSTART:20230410T194500Z
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SEQUENCE:0
SUMMARY:Growing Together and Apart: Scale Economies and Specialization
UID:RFCALITEM639141987842212140
X-ALT-DESC;FMTTYPE=text/html:Moynihan Institute\, and the program for Tr
ade\, Development\, and Political Economy is proud to host Mr. Chong Xiang
\, professor of economics at Purdue University.
This paper analyzes
the role of division of labor along the supply chain for generating scale
economies and \;prod
uctivity growth. We construct a novel data set of firm-to-firm links which
includes information on the \;occupation structure of buyers and suppliers. Using an i
nstrumental variable approach\, we find that firms hit \;by positive demand shocks rais
e output and labor productivity\, and that their occupation structure dive
rges \;relati
ve to their suppliers. We build a parsimonious model of heterogeneous firm
s and tasks\, and estimate the \;model by simulated method of moments. The estimated mo
del parameters suggest that specialization along \;the supply chain gives rise to subst
antial scale economies.
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