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Author:Zimmermann, Christian 

Working Paper
Universal Basic Income versus Unemployment Insurance

In this paper we compare the welfare effects of unemployment insurance (UI) with an universal basic income (UBI) system in an economy with idiosyncratic shocks to employment. Both policies provide a safety net in the face of idiosyncratic shocks. While the unemployment insurance program should do a better job at protecting the unemployed, it suffers from moral hazard and substantial monitoring costs, which may threaten its usefulness. The universal basic income, which is simpler to manage and immune to moral hazard, may represent an interesting alternative in this context. We work within a ...
Working Papers , Paper 2014-47

Working Paper
Author identification in economics, ... and beyond

Identifying authorship correctly and efficiently is a difficult problem when the literature is abundant, but poorly recorded. Homonyms are tedious to differentiate. This paper describes how the field of economics has organized itself with respect to author identification. We describe the RePEc project with a special emphasis on the RePEc Author Service. We then discuss how the concept is currently being expanded to the entire scientific body with the AuthorClaim project.
Working Papers , Paper 2012-018

Working Paper
Loan regulation and child labor in rural India

We study the impact of loan regulation in rural India on child labor with an overlapping-generations model of formal and informal lending, human capital accumulation, adverse selection, and differentiated risk types. Specifically, we build a model economy that replicates the current outcome with a loan rate cap and no lender discrimination by risk using a survey of rural lenders. Households borrow primarily from informal moneylenders and use child labor. Removing the rate cap and allowing lender discrimination markedly increases capital use, eliminates child labor, and improves welfare of all ...
Working Papers , Paper 2012-027

Working Paper
The Experience of the RePEc Plagiarism Committee in Economics

RePEc is an open bibliography project driven entirely by volunteers and without a budget. It was created to enhance the dissemination of research in economics by making it more accessible to authors, publishers, and readers: 1800 publishers participate in this initiative, and 44000 authors are registered. Some of those authors became frustrated when their work was plagiarized and no action was taken. Many have asked whether RePEc could take action. The RePEc Plagiarism Committee was created to respond to this request. Because RePEc has no enforcement power, it can only ?name and shame? ...
Working Papers , Paper 2015-8

Working Paper
Superstar Economists: Coauthorship networks and research output

We study the impact of research collaborations in coauthorship networks on research output and how optimal funding can maximize it. Through the links in the collaboration network, researchers create spillovers not only to their direct coauthors but also to researchers indirectly linked to them. We characterize the equilibrium when agents collaborate in multiple and possibly overlapping projects. We bring our model to the data by analyzing the coauthorship network of economists registered in the RePEc Author Service. We rank the authors and research institutions according to their contribution ...
Working Papers , Paper 2018-28

Working Paper
Basel Accord and financial intermediation: the impact of policy

This paper studies loan activity in a context where banks must follow Basel Accord-type rules and acquire financing from households. Loan activity typically decreases when entrepreneurs? investment returns decline, and we study which type of policy could revigorate an economy in a trough. We find that active monetary policy increases loan volume even when the economy is in good shape; introducing active capital requirement policy can be effective as well if it implies tightening of regulation in bad times. This is performed with an heterogeneous agent economy with occupational choice, ...
Working Papers , Paper 2011-042

Working Paper
Academic rankings with RePEc

This document describes the data collection and use of data for the computation of rankings within RePEc (Research Papers in Economics). This encompasses the determination of impact factors for journals and working paper series, as well as the ranking of authors, institutions, and geographic regions. The various ranking methods are also compared, using a snapshot of the data.
Working Papers , Paper 2012-023

Working Paper
Parenthood and productivity of highly skilled labor: evidence from the groves of academe

We examine the effect of pregnancy and parenthood on the research productivity of academic economists. Combining the survey responses of nearly 10,000 economists with their publication records as documented in their RePEc accounts, we do not find that motherhood is associated with low research productivity. Nor do we find a statistically significant unconditional effect of a first child on research productivity. Conditional difference-in-differences estimates, however, suggest that the effect of parenthood on research productivity is negative for unmarried women and positive for untenured ...
Working Papers , Paper 2014-1

Working Paper
On the Need for a Replication Journal

There is very little replication of research in economics, particularly compared with other sciences. This paper argues that there is a dire need for studies that replicate research, that their scarcity is due to poor or negative rewards for replicators, and that this could be improved with a journal that exclusively publishes replication studies. I then discuss how such a journal could be organized, in particular in the face of some negative rewards some replication studies may elicit.
Working Papers , Paper 2015-16

Journal Article
The Basel Accord and Financial Intermediation: The Impact of Policy

This article studies loan activity in a context where banks have to follow Basel Accord?type rules and find financing with the households.
Review , Volume 100 , Issue 2 , Pages 171-200

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