Researcher: Sarpça, Sinan
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Sarpça, Sinan
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Publication Metadata only Multi-dimensional skills, specialization, and oligopolistic competition in higher education(Elsevier, 2010) Department of Economics; Sarpça, Sinan; Faculty Member; Department of Economics; College of Administrative Sciences and Economics; 52406This paper develops a differentiated products model of school competition that distinguishes among different dimensions that matter in the skill acquisition process. The model predicts that when identical schools compete for students, specialization may arise as a competition strategy. This serves rich students' education goals well. Poorer students, however, may attend schools with specializations that do not cater to their relative strengths. By doing so, these poorer students complement the weaknesses of the richer students through peer effects and receive financial aid in return. The empirical analysis provides strong support for the model's predictions about within-school implications of specialization.Publication Metadata only The relationship between nonprofits' revenue composition and their economic-financial efficiency(Sage, 2017) Ecer, Sencer; Magro, Mark; Department of Economics; Sarpça, Sinan; Faculty Member; Department of Economics; College of Administrative Sciences and Economics; 52406We study financial efficiency in the nonprofit sector and document that organizations that rely mainly on commercial revenues are more efficient in managing their overhead and administrative expenses compared with nonprofits that rely mainly on donations. We also record a positive relationship between the extent of a nonprofit's reliance on donations and its efficiency in generating them. Our findings suggest economies of scale in the nonprofit sector and also a positive (negative) relationship between receiving government grants (membership income) and overall efficiency. We discuss what our findings imply for social enterprises and traditional nonprofits.Publication Metadata only An exploration in school formation: income vs. ability(2012) Alkan, Ahmet; Anbarcı, Nejat; Department of Economics; Sarpça, Sinan; Faculty Member; Department of Economics; College of Administrative Sciences and Economics; 52406We study stable school formation among four students that differ in ability and income. In the presence of ability complementarities and school costs to be shared, we identify the conditions under which a stable allocation is efficient, inefficient, nonexistent, and tell who become peers.Publication Metadata only Profiling in bargaining over college tuition(Oxford University Press (OUP), 2006) Epple, D.; Romano, R.; Sieg H.; Department of Economics; Sarpça, Sinan; Faculty Member; Department of Economics; College of Administrative Sciences and Economics; 52406Profiling in college admissions arises when applicant attributes are given weight because they are correlated with unobservable student characteristics that the college values. The article models the admission process of a single college as a bargaining game between the college and a potential student with sequential moves and asymmetric information. We test the empirical implications of this model using a unique data set from a private college in the US. We find that the empirical evidence is consistent with the notion that signalling and profiling are important aspects of the college admission process.Publication Metadata only A general equilibrium analysis of state and private colleges and access to higher education in the US(Elsevier, 2017) Epple, Dennis; Romano, Richard; Sieg, Holger; Department of Economics; Sarpça, Sinan; Faculty Member; Department of Economics; College of Administrative Sciences and Economics; 52406We develop a general equilibrium model of the market for undergraduate higher education that captures the coexistence of public and private colleges, the large degree of quality differentiation among them, and the tuition and admission policies that emerge from their competition for students. A quantitative version of the model matches well estimates of enrollment elasticities, variation in need-based and merit-based institutional aid with, respectively, student income and ability, and aggregate characteristics of U.S. higher education including college attendance in public and private schools, tuition levels, and the provision of federal aid. Predictions about the provision of federal aid and the distribution of students across colleges by ability and income match the empirical counterparts well. We use the model to examine the consequences of federal and state aid policies. A one-third increase in the maximum federal aid increases college attendance by 6% of the initial college population, most of the increase being in state colleges and mainly of poor students. Elite private colleges reduce institutional aid and use the net funding gain to spend more on educational inputs and to substitute some highly able poor students for less able rich students. Reductions in federal or state aid result in substantially reduced attendance mainly by poor students. Reductions of support to state colleges induce private colleges to increase enrollments modestly and improve in quality as demand shifts toward them.Publication Metadata only Public housing units vs. housing vouchers: accessibility, local public goods, and welfare(Academic Press Ltd-Elsevier Science Ltd, 2012) Leung, Charles Ka Yui; Yılmaz, Kuzey; Department of Economics; Sarpça, Sinan; Faculty Member; Department of Economics; College of Administrative Sciences and Economics; 52406We develop a general equilibrium model of residential choice and study the effects of two housing aid policies, public housing units and housing vouchers. Land is differentiated by both residential accessibility and local public goods, and the provision levels of local public goods are determined by property tax revenues and neighborhood compositions. Households differ in their incomes and preferences for local public goods. Housing aid policies are financed by general income taxes. We discuss how the location of public housing units is a fundamental policy variable, in addition to the numbers and sizes of units, and argue that vouchers not only cause less distortion for social welfare compared to public housing, but may also improve overall welfare.Publication Open Access Majority choice of an income-targeted educational voucher(American Economic Association (AEA), 2018) Epple, Dennis; Romano, Richard; Department of Economics; Sarpça, Sinan; Faculty Member; Department of Economics; College of Administrative Sciences and Economics; 52406A model of majority choice of voucher characteristics with quantitative counterpart explains observed income eligibility requirements for educational vouchers. Households differ by income and preference for religious schooling. They elect a policy maker who chooses public school expenditure, a voucher, a maximum income for voucher eligibility, and a tax to finance public expenditure. Equilibrium has a voucher below per student public expenditure, an eligibility threshold near 300 percent of the poverty level, and a majority in public school though with substantial voucher usage, all properties typical of US voucher programs. Disallowing a voucher leads to higher per student public expenditure.Publication Open Access Commercial research at universities and career choices of science and engineering doctoral students(Economics Bulletin, 2014) Ecer, Sencer; Huang, Youxin; Department of Economics; Sarpça, Sinan; Faculty Member; Department of Economics; College of Administrative Sciences and Economics; 52406Introduction: Herbal medicines are used for different purposes by applying them directly to the skin. Case Report: A 57-year-old female patient presented with erythema and swelling of the left knee. On examination, erythematous and bullous lesions were observed. In the story of 'Ranunculus Scleratus' plants 12 hours knee closed contact of the learned. Diagnosis; Fitokontakt thought of as Dermatitis patients to wet dressing is recommended. 1 month after hyperemia outside of a clinical finding out. Conclusion: Treatment with plants in our community are used as often as incorrect use can lead to harmful effects.Publication Open Access Market power and price discrimination in the US market for higher education(Wiley, 2019) Epple, Dennis; Romano, Richard; Sieg, Holger; Zaber, Melanie; Department of Economics; Sarpça, Sinan; Faculty Member; Department of Economics; College of Administrative Sciences and Economics; 52406We estimate an equilibrium model of private and state college competition that generates realistic pricing patterns for private colleges using a large national data set from the National Postsecondary Student Aid Study (NPSAS). Our analysis distinguishes between tuition variation that reflects efficient pricing to students who generate beneficial peer externalities and variation that reflects arguably inefficient exercise of market power. Our findings indicate substantial exercise of market power and, importantly, sizable variation in this power along the college quality hierarchy and among students with different characteristics. Finally, we conduct policy analysis to examine the consequences of increased availability of quality public colleges in a state.Publication Open Access Private schools and residential choices: accessibility, mobility, and welfare(Berkeley Electronic Press (Bepress), 2011) Hanushek, Eric A.; Department of Economics; Sarpça, Sinan; Yılmaz, Kuzey; Faculty Member; Faculty Member; Department of Economics; College of Administrative Sciences and Economics; 52406; N/APrivate schools free households from a strict link between residential location decisions and the tax-school quality bundles they consume. In order to study the impact of private schools on educational outcomes, we develop a general equilibrium model that simultaneously incorporates locational choice built on access and locational choice built on tax-school quality attributes of jurisdictions. We conclude that private school choice enhances the welfare of all households-both those attending private schools and those attending public schools-while also working to reduce the amount of housing and school segregation in equilibrium. Investigation of alternative school policies indicates that greater choice, including using targeted school vouchers, can improve welfare and achievement. Finally, we demonstrate how the fiscal burden arising from some households paying less taxes than they consume in public services varies significantly with the structure of school choice options.