Professor of Economics
Northern Arizona University
Degrees: Ph.D. in Economics, University of Illinois at Urbana-Champaign; B.A. in Economics (minor in Computer Science), University of Minnesota at Duluth; Diploma in Electronic and Communication Engineering, Singapore Polytechnic.
Positions Held: Professor, The W.A. Franke College of Business, Northern Arizona University, since 2011; Associate Professor, The W.A. Franke College of Business, Northern Arizona University, 2004-2010; Assistant Professor, The W.A. Franke College of Business, Northern Arizona University, 2001-2003; Lecturer, Department of Economics, University of Illinois at Urbana-Champaign, 1997-2001; Assistant Professor, Department of Economics, University of Houston, 1989-1997; Visiting Assistant Professor, Department of Economics, University of Illinois at Urbana-Champaign, 1994-1995.
Specialization: Econometric Theory, Applied Econometrics, International Trade and Finance, Urban and Regional Economics, Computational Statistics, Computer Simulations.
"Community Sustainability and Resilience: Similarities, Differences and Indicators", (with A. Lew, Chin-Cheng Ni and Tsung-Chiung Wu), Tourism Geographies, 18, 18-27, 2016.
"The State of Tourism Geography Education in Taiwan: A Content Analysis", (with G. Han and Y. Guo), Tourism Geographies, 17, 279-299, 2015.
"Tourism and Economic Growth", (with D. Du and A. Lew), Journal of Travel Research, 2014.
"Developing Professionalism in Business School Undergrads", (with T. Clark and T.S. Amer), Journal of Education for Business, 89, 35-41, 2014.
"Refining Our Understanding of Beta through Quantile Regressions", (with A. Atkins), Journal of Risk and Financial Management, 7, 67-79, 2014.
"XLR: A Free Excel Add-In for Introductory Business Statistics", Open Journal of Applied Sciences, 3, 32-36, 2013.
"Measuring Currency Exposure with Quantile Regression", (with D. Du), Review of Quantitative Finance and Accounting, 41, 549-566, 2013.
"Using Quantile Regression to Understand Visitor Spending", (with A. Lew), Journal of Travel Research, 51(3), 278-288, 2012.
"The Effect of Learning Styles on Course Performance: A Quantile Regression Analysis", (with J. Pinto and S. Williams), Academy of Educational Leadership Journal, 15 (1), 15-38, 2011.
"No Matter How It Is Measured, Income Declines with Global Warming", (with X. Zhao), Ecological Economics, 70, 963-970, 2011.
"Evaluation Of Human Bioclimates Using Quantile Regression: A China Case Study", (with Y. Y. Yan), Physical Geography, 29 (5), 387-403, 2008.
"A Fast and Efficient Implementation of Qualitatively Constrained Quantile Smoothing Splines", (with M. Maechler), Statistical Modelling, 7(4), 315-328, 2007.
"An Interpretive Business Statistics Course Encompassing Diverse Teaching and Learning Styles", (with C. Lockwood and J. Pinto), Academy of Educational Leadership Journal, 11(1), 11-24, 2007.
"Summarizing the Effect of a Wide Array of Amenity Measures into Simple Components", (with R. Gunderson), Social Indicators Research, 79, 313-335, 2006.
"Analyzing the Effects of Amenities, Quality of Life Attributes and Tourism on Regional Economic Performance Using Regression Quantiles", (with R. Gunderson), Journal of Regional Analysis and Policy, 35, 1-22, 2005.
"Inequality Constrained Quantile Regression", (with R. Koenker), Sankhya, The Indian Journal of Statistics, 67, 418-440, 2005.
"A Frisch-Newton Algorithm for Sparse Quantile Regression", (with R. Koenker), Acta Mathematicae Applicatae Sinica (English series), 21, 225-236, 2005.
"SparseM: A Sparse Matrix Package for R", (with R. Koenker), Journal of Statistical Software, 8, 2003.
"Logical Extremes, Beta and the Power of the Test", (with J. Pinto and D. Allen), Journal of Statistics Education, 11, 2003.
"Sparse Linear Algebra for the R Language: SparseM", (with R. Koenker), Computing Science and Statistics, 2003.
"Robust Tests for Heteroskedasticity and Autocorrelation in the Multiple Regression Model", (with A. Bera), Journal of the Indian Society for Probability and Statistics, 6, 2002, 78-96.
"Using Quantile Smoothing Splines to Identify Employment
Subcenters in a Multicentric Urban Area", (with Steven Craig), Journal
of Urban Economics, 49, 2001, 100-120.
"COBS: Qualitatively Constrained Smoothing via Linear Program", (with X. He), Computational Statistics, 14, 1999, 315-337.
"Quantile Splines with Several Covariates", (with X. He), Journal of Statistical Planning and Inference , 75, 1999, 343-352.
"Bivariate Quantile Smoothing Splines", (with X. He and S. Portnoy), Journal of the Royal Statistical Society (B), 60, 1998, 537-550.
"A Remark on Bartels and Conn's Linearly Constrained Discrete L1 Algorithm", (with R. Koenker), ACM Transaction on Mathematical Software, 22, 1996, 493-495.
"An Algorithm for Quantile Smoothing Splines", Computational Statistics and Data Analysis, 22, 1996, 99-118.
"Finite Sample Properties of Adaptive Regression Estimators", Econometric Review, 14, 1995, 267-297.
"Tests for Normality Using Estimated Score Function", (with A. Bera), Journal of Statistical Computation and Simulation, 52, 1995, 273-287.
"Quantile Smoothing Splines", (with R. Koenker and S. Portnoy), Biometrika, 81, 1994, 673-680.
"Smoothing Spline Score Estimator", SIAM, Journal of Scientific Computing, 15, 1994, 1003-1025.
"A Large Sample Normality Test Using the Score Function", (with A. Bera), American Statistical Association Proceeding of the Business and Economic Statistics Section, 1993, 196-201.
Estimation of Conditional Quantile Functions", (with R. Koenker and S.
Portnoy), in Statistical Data Analysis Based on the L1 Norm and Related
Methods, ed. Yadoleh Dodge, North-Holland, 1992.
"Computing Quantile Smoothing Splines", (with R. Koenker), Computing Science and Statistics, 24, 1992, 385-388.
"Quantile Smoothing Splines", (with R. Koenker), in Nonparametric Statistics and Related Topics, ed. A.K.Md.E. Saleh, North-Holland, 1992.
"Forecast Comparison of Exchange Rate Models with Kalman Filter", (with A. Heidari), Technological Forecasting and Social Change, 41, 1992, 435-443.
"XploRe'-ing the World of Nonparametric Analysis", (with R. Sickles), Journal of Applied Econometrics, 5, 1990, 293-298.
"Mincer-Zarnovitz Quantile and Expectile Regressions for Forecast Evaluations under Aysmmetric Loss Functions", with (K. Guler and Z. Xiao).
"Statistical Identification of Employment Subcenters", (with S. Craig and J. Kohlhase).
"Stochastic Dominance Via Quantile Regression", (with W. Wong and Z. Xiao).
"What Do Regressions Estimate?", (with J. Pinto).