The dynamic effects of social security on individual consumption, wealth and welfare, journal of public economic theory, association for public economic theory, vol. This paper investigates both theoretically and numerically the impact of sex selection on fertility. Quantifying the impacts of digital rights management and ebook pricing on the ebook. Springerverlag 1988 on tests for sex preferences siu fai leung university of chicago, chicago, il 60637, usa received april 20, 1988 accepted july 5, 1988 abstract. Leung is head and sor of the department of economics at hkust. Optimal dynamic antitrust fines munich personal repec. Trade, foreign direct investment, and labor migration leonard k. A simple approach, economic theory, 3, 1993, 765774. Leung, suit fai and shifty yu, june 1996, pdf version.
The heckman correction for sample selection and its. Siu fai leung department of economics,hong kong university of science and technology,clear water bay,kowloon, hong kong received 1 april 2000. Lee, siu fai leung, yatang lin, elaine liu, yang lu, travis ng, sheilagh ogilvie, michael poyker, xiaoyue shan, carol shiue, yufeng sun. Department of economics, business school, hong kong university of science and technology hkust, more information at edirc access statistics for papers by siu fai leung. Professor, department of economics director, center for economic development.
His book on the exchange rate systems in hong kong and singapore. Remedies to the collinearity problems are proposed and evaluated. He hosts we are family and go west on rthk radio 2. Collinearity and twostep estimation of sample selection models. Hong kong institute of economics and business strategy hku christian economists roundtable 20 market economy in practice date. Siu fai leung ideasrepec research papers in economics. An economic application of the dubovitskiimilyutin version of the. Migration, family, and risk diversification by kongpin. This paper investigates the origins of the collinearity problems encounteredin the twostep estimation method for sample selection models. Kongpin chen, shinhwan chiang and siu fai leung, migration, family, and risk diversification, ssrn electronic journal, 10.
We show that migration can take place even when migrants earn less abroad and, surprisingly, when earnings in the foreign country are riskier for every member of the family. Springerverlag 1994 will sex selection reduce fertility. A stochastic dynamic analysis of parental sex preferences. Siu fai leung department of economics, hong kong university of science and technology, clear water bay, kowloon, hong kong article info article history. Nonparametric hazard estimation with timevarying discrete covariates. Department of economics, hong kong university of science and technology, clear water bay. The lifecycle model of saving with uncertain lifetime and. Dsc lam, yf leung, jkh chua, l baum, dsp fan, kw choy, cp pang.
Siu fai leung department of economics, harkness hall, university of rochester, rochester, ny 14627, usa received march 18, 1994 accepted august 31, 1994 abstract. Fai leung, hong kong university of science and technology cool heads and warm hearts. Lui is a professor of economics at the hong kong university of science and. The economic consequences of demographic change in east. He specializes in applied microeconomics and applied econometrics. Journal of economic theory 54, 224233 1991 transversality condition and optimality in a class of infinite horizon continuous time economic models siu fai leung department of economics, harkness hall, university of rochester, rochester, new york 14627 received october 10, 1989. This paper presents a critical evaluation of three widely used tests for sex preferences. Cake eating exhaustible resource extraction lifecycle. Brian leung siu fai is a radio djpresenter in hong kong. Trade, foreign direct investment and labor migration. Cheng and siu fai leung department of economics hong kong university of science and technology clear water bay, kowloon hong kong fax.
This pdf is a selection from a published volume from the national bureau. The analysisreveals several critical misconceptions and deficiencies in the literature. Transversality condition and optimality in a class of. Scholarly books, monographs, reports and case studies. Stochastic dynamic analysis of parental sex preferences. The existence, uniqueness, and optimality of the terminal wealth depletion time in lifecycle models of saving under uncertain lifetime and borrowing constraint. Siu fai leung, hong kong university of science and technology. This paper gives a short overview of monte carlo studies on the usefulness of heckman. Economic development and cultural change 62 4, 599632, 2014. Anirban mukhopadhyay mkmukhop contact information of our academic affairs and advising counselors aaac. The pontryagin maximum principle is well known in economics.
Ekkachai saenyasiri esaenyasiri bba general business management prof. Sponsored by national institute on alcohol abuse and alcoholism. Yf leung, bj fan, dsc lam, ws lee, pos tam, jkh chua, ccy tham. Standard antitrust optimal fines rely on a microeconomic static model. Cheng and siu fai leung consultants to the hong kong sar government leonard k. For the eu fine, and based on this methodology, we find an equilibrium point for a high level of offense 2 times normal profits and a high detection probability 0. Lingnan university lnlu, formerly called lingnan college, is the only public liberal arts university in hong kong. Few children say i want to be an economist when i grow up. A rational explanation1 siu fai leung department of economics, hong kong uni ersity of science and technology, clear water bay, kowloon, hong kong email. This paper investigates the problem concerning the existence of a solution to a diverse class of optimal allocation problems which include models of cake eating, exhaustible resource extraction, lifecycle saving, and nonatomic games.
Includes bibliographical references my kingdom for a drink. He received his ma and phd in economics from the university of chicago in 1985 and 1987, respectively. This paper presents a theoretical investigation of the dynamic effects of social security on individual consumption, wealth and welfare. Examples of these models for which a solution does not exist and the causes of the non. Hkust summer workshop on macroeconomics june 24 25, 2014 room 1003, lee shau kee business building, hkust.
Collinearity and twostep estimation of sample selection. Runon mutation and three novel nonsense mutations identified in the pax6 gene in patients with aniridia. The framework of analysis is yaaris 1965 lifecycle model of. Economics and the prevention of alcoholrelated problems. The dynamic effects of social security on individual. Motchenkova describes optimal antitrust dynamic sanctions and their application for eu and us methodology. Everyday low prices and free delivery on eligible orders. Leung, siu fai transversality condition and optimality in a class of infinite horizon continuous time economic models, journal of economic theory, v54, n1 june 1991. Siu fai leung hkust institute for emerging market studies. Cake eating, exhaustible resource extraction, lifecycle. Hanushek, eric, leung, charles ka yui and kuzey yilmaz, march 2014, pdf version. The economics of cryptocurrenciesbitcoin and beyond. He has been working in broadcasting for two decades and has worked for radio stations like metroradios 104 fm select now called metrofinance and crhk.
Received 8 november 2007 accepted 27 january 2009 available online 10 february 2009 jel classi. By siu fai leung abstract this paper formulates a stochastic dynamic model of fertility to evaluate the assumptions that underlie the widely used econometric tests for parental sex preferences. Christian economists roundtable 20 market economy in. A stochastic dynamic analysis of parental sex preferences and fertility.
Moore alcohol problems and the control of availability. Kam wing siu eckwsiu bsc quantitative finance prof. Wage discrimination in indias formal and informal labour. Crossref jan fidrmuc, migration and adjustments to shocks in transition economies, ssrn electronic journal, 10. We derive and characterize the optimal migration pattern of a family. It aims to provide students with an education in the liberal arts tradition and has joined the global liberal arts alliance since 2012. Journal of public economics vol 45, issue 2, pages 143. Monte carloexperiments as well as an empirical example based on mrozs 1987 data areused to illustrate. This article proposes a formal model of migration in which workers are heterogeneous and markets are stochastically correlated. A new formulation that encompasses all these diverse models is provided. With keen interest in marine biology and ecology, he pursued his doctor of philosophy degree in marine biology. Yip is currently an associate professor in economics at the school of humanities.