Titelaufnahme

Titel
Monopolistic competition, idiosyncratic productivity and information constraints / von Gabriel Ziegler
VerfasserZiegler, Gabriel
Begutachter / BegutachterinPapp, Tamas ; Papp, Tamás
Erschienen2014
UmfangV, 51 Bl. : graph. Darst.
HochschulschriftWien, Techn. Univ., Master-Arb., 2014
SpracheEnglisch
DokumenttypMasterarbeit
Schlagwörter (EN)Imperfect information / idiosyncratic productivity / rational inattention / information theory / aggregation / welfare comparison
URNurn:nbn:at:at-ubtuw:1-76456 Persistent Identifier (URN)
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Monopolistic competition, idiosyncratic productivity and information constraints [0.71 mb]
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Zusammenfassung (Englisch)

A firm might not have perfect information about its own productivity, because observing the true realization might be too costly in terms of op- portunity costs of attending to other sources of uncertainty. Building on Sims (1998, 2003), I use insights from information theory to study the be- havior of information constrained firms. The focus is on the informational friction on the firm side only. This allows analyzing the implications of imperfect information for individual firms. Additionally, a welfare analysis is conducted by solving a social planner's problem. Interestingly, a com- parison using approximations in log-deviations is not applicable, although such an approximation is often used in the literature. In the decentralized economy, output might not be maximized under full information. Further- more, the distortions due to monopolistic competition are increasing in the amount of information agents are allowed to process.