2020 januárjától a MT/DP Műhelytanulmányok és a Budapest Working Papers sorozat egybeolvadt, és a továbbiakban KRTK-KTI Műhelytanulmányok cím alatt közli az intézet kutatóinak tudományos munkáját. A KRTK-KTI Műhelytanulmányok célja, hogy hozzászólásokat, vitát generáljanak, nem mentek át szakmai ellenőrzésen.

A megszűnt sorozatok tanulmányai az alábbi linkeken érhetőek el:

MT/DP műhelytanulmányok

BWP műhelytanulmányok


2020/17 Tamás Hajdu- Gábor Hajdu Temperature, climate change, and human conception rates: Evidence from Hungary KRTK-KTI Műhelytanulmányok Kiadvány letöltése

2020/17 Temperature, climate change, and human conception rates: Evidence from Hungary Tamás Hajdu- Gábor Hajdu

In this paper, we examine the relationship between temperature and human conception rates and project the impacts of climate change by the mid-twenty-first century. Using complete administrative data on 6.8 million pregnancies between 1980 and 2015 in Hungary, we show that exposure to hot temperatures reduces the conception rate in the first few weeks following the exposure, but a partial rebound is observed after that. Absent adaptation, climate change is projected to increase seasonal differences in conception rates, and a decline is expected in terms of annual conception rates. This latter decline is driven by a change in the number of induced abortions and spontaneous fetal losses. The overall number of live births is unaffected. However, some newborns may experience non-negligible consequences because of the altering in utero temperature exposure due to a shift in the timing of conception

Kiadvány letöltése (pdf)
2020/16 Péter Biró - Jens Gudmundsson Complexity of finding Pareto-efficient allocations of highest welfare KRTK-KTI Műhelytanulmányok Kiadvány letöltése

2020/16 Complexity of finding Pareto-efficient allocations of highest welfare Péter Biró - Jens Gudmundsson

We allocate objects to agents as exemplified primarily by school choice. Welfare judgments of the object-allocating agency are encoded as edge weights in the acceptability graph.  The welfare of an allocation is the sum of its edge weights. We introduce the constrained welfare-maximizing solution, which is the allocation of highest welfare among the Pareto-efficient allocations. We identify conditions under which this solution is easily determined from a computational point of view. For the unrestricted case, we formulate an integer program and find this to be viable in practice as it quickly solves a real-world instance of kindergarten allocation and large-scale simulated instances. Incentives to report preferences truthfully are discussed briefly.


Kiadvány letöltése (pdf)
2020/15 András Simonovits Indexing public pensions in progress to wages or prices KRTK-KTI Műhelytanulmányok Kiadvány letöltése

2020/15 Indexing public pensions in progress to wages or prices András Simonovits

Initial public pensions are indexed to the economy-wide average wages, but pensions in progress are indexed to prices, average wages or their combinations––varying across countries and periods. We create a simple overlapping cohorts framework to study the properties of indexing pensions in progress––emphasizing a neglected issue: close wage paths should imply close benefit paths even at real wage shocks. This robustness criterion of an equitable pension system is only satisfied by wage indexing, which in turn requires the adjustment of the accrual rate. To minimize the redistribution from low-earning short-lived citizens to high-earning long-lived ones, progression should be introduced.

Kiadvány letöltése (pdf)

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Közgazdaság- és Regionális Tudományi Kutatóközpont Közgazdaság-tudományi Intézet
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