Kaisa KotakorpiTampere University | UTA · Faculty of Management and Business
Kaisa Kotakorpi
PhD
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24
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Publications
Publications (24)
We examine the health effects of a labor market activation policy, the Youth Job Guarantee, implemented in Sweden in 2007. To estimate the causal effects of this policy on health, we implement an RD-design using the age-eligibility threshold of the policy, together with detailed administrative data on health outcomes including measures of mental he...
We study the dual role of active labor market policies: First, ALMP may perform a screening role by increasing job-search incentives, especially among individuals with good labor market prospects, already before program participation. Second, actual program participation may help individuals with poor labor market prospects. We examine whether this...
We discuss typical issues in getting access to and using high-quality administrative tax data for research purposes. We discuss research involving both quasi- and field experiments implemented together with the tax authority. We reflect on practical solutions that promote co-creation of knowledge and reduce information asymmetries between researche...
We provide an analysis of the revenue-maximizing top earned income tax rate for a country with one of the highest levels of earnings taxation in the world, Finland, and compare it to the current level of taxation. We account for the effect of income-shifting possibilities in the calculations and find that the current top tax rate on earnings in Fin...
We estimate the private returns to being elected to parliament or to a municipal council using a regression discontinuity (RD) design. We first present a bootstrap method for measuring the closeness of elections, which can be applied to any electoral system. We then apply the method to perform a RD estimation in Finland, where seats are assigned ac...
We study the returns to political o¢ ce using data from Finnish parliamentary elec-tions in 1970-2007 and municipal elections in 1996-2008. The discontinuity of electoral outcomes in individual candidate votes allows us to estimate the causal e¤ect of being elected on subsequent income. Getting elected to parliament increases annual earnings initia...
We analyze attempts to implement personalized regulation in the form of sin licenses (O’Donoghue and Rabin 2003, 2005, 2007) to correct the distortion in the consumption of a harmful good when consumers suffer from varying degrees of self-control problems. We take into account the possibility that consumers may trade the sin good in a secondary mar...
This paper examines the effects of health-oriented food tax reforms on the distribution of tax payments, food demand and health outcomes. Unlike earlier work, we also take into account the uncertainty related to both demand estimation and health estimates and report the confidence intervals for the overall health effects instead of only point estim...
A growing theoretical literature on the effect of politicians' salaries on the average level of skills of political
candidates yields ambiguous predictions. In this paper, we estimate the effect of pay for politicians on the
level of education of parliamentary candidates. We take advantage of an exceptional reform where the
salaries of Finnish MPs...
We analyse the determination of taxes on harmful goods when consumers have self-control problems. We show that under reasonable assumptions, the socially optimal corrective tax exceeds the average distortion caused by self-control problems. Further, we analyse how individuals with self-control problems would vote on taxes on the consumption of harm...
When consumers make mistakes, the government may wish to use paternalistic taxation as a corrective measure. We analyse the extent to which tax competition undermines the feasibility of paternalistic taxation. We show that the paternalistic component of a tax on a harmful good is reduced when there is cross-border shopping, but it does not disappea...
We analyse the determination of taxes on harmful goods when consumers have self-control problems. We show that under mild conditions, the socially optimal tax rate exceeds the average distortion caused by self-control problems. Further, we show that in most cases the tax rate chosen in political equilibrium is below the socially optimal level.
We show that the burden of sin taxes does not necessarily fall most heavily on individuals with the highest level of consumption and derive a condition for cases where sin taxes improve individual welfare. We further argue that taxes on goods such as unhealthy food can be progressive when consumers have time-inconsistent preferences.
We examine the effect of publicly provided health care on welfare by combining local level data on public health care, and individual level data on life satisfaction. It is shown that relatively high expenditures in health care have a positive effect on individuals' life satisfaction in our data. We further illustrate how life satisfaction data can...
We consider a model with a vertically integrated monopolist network provider who faces rival operators in the retail market. We examine the network operator's incentives for infrastructure investment. We find that investments are below the social optimum even when there is no regulation, and access price regulation further reduces investment incent...
This study reviews the key economic features of the telecommunications industry and outlines two benchmark models that have been developed in previous literature for introducing competition into local telecommunications. One possibility is services based competition, where entrant telephone operators have no network of their own, and another is fac...