Social and Behavioral Sciences Commons^™

Policing The Wilderness: A Descriptive Study Of Wildlife Conservation Officers In South Africa., Greg Warchol

Greg Warchol

No abstract provided.

Empirical Implementation Of Nonparametric First-Price Auction Models, Daniel Henderson, John List, Daniel Millimet, Christopher Parmeter, Michael Price

Christopher F. Parmeter

Although these estimators are popular in the literature, many key features necessary for proper implementation have yet to be uncovered. Here we provide several suggestions for nonparametric estimation of first-price auction models. Specifically, we show how to impose monotonicity of the equilibrium bidding strategy; a key property of structural auction models not guaranteed in standard nonparametric estimation. We further develop methods for automatic bandwidth selection. Finally, we discuss how to impose monotonicity in auctions with differing numbers of bidders, reserve prices, and auction-specific characteristics. Finite sample performance is examined using simulated data as well as experimental auction data.

Preliminary Estimate Of Short-Term Economic Losses Of The Gulf Of Mexico Oil Spill, Ling Huang, Ussif Sumaila Etc.

Ling Huang

No abstract provided.

Income Polarization, Convergence Tools And Mixture Analysis, Michele Battisti, Christopher Parmeter

Christopher F. Parmeter

Modeling the cross-country distribution of per capita using mixture analysis provides a natural platform for the recovery or detection of clubs of countries. Unfortunately, these mixture methods, when based on a strictly univariate approach are limiting towards one's ability to learn about the underlying process of the emergence of the clubs. This paper takes a fresh look at the sources contributing to the emergence of clubs in the distribution of cross-country output using bivariate and multivariate mixture analysis.

Bayesian Model Averaging In R, Shahram Amini, Christopher Parmeter

Christopher F. Parmeter

Bayesian model averaging has increasingly witnessed applications across an array of empirical contexts. However, the dearth of available statistical software which allows one to engage in a model averaging exercise is limited. It is common for consumers of these methods to develop their own code, which has obvious appeal. However, canned statistical software can ameliorate one’s own analysis if they are not intimately familiar with the nuances of computer coding. Moreover, many researchers would prefer user ready software to mitigate the inevitable time costs that arise when hard coding an econometric estimator. To that end, this paper describes the relative …

Economies Of Scope Of Lending And Mobilizing Deposits In Microfinance Institutions: A Semiparametric Analysis, Valentina Hartarska, Christopher Parmeter, Denis Nadolynak

Christopher F. Parmeter

No abstract provided.

Management Of An Annual Fishery In The Presence Of Ecological Stress: The Case Of Shrimp And Hypoxia, Ling Huang, Martin Smith

Ling Huang

No abstract provided.

Green Economy Report: Fisheries Chapter, Ling Huang, Co- Authors

Ling Huang

No abstract provided.

South African Conservation Crime And Routine Activities Theory: A Causal Nexus?, Greg Warchol

Greg Warchol

No abstract provided.

Economies Of Scope For Microfinance: Differences Across Output Measures, Valentina Hartarska, Christopher Parmeter, Denis Nadolynak, Beibei Zhu

Christopher F. Parmeter

In banking, scope economies of mobilizing deposits and lending are often estimated, while consideration of the same measures for microfinance institutions (MFI) is still in its infancy. An open issue remains regarding what characterizes an output of an MFI. Moreover, depending on the output used, do estimated scope economies differ? We use a novel data set for over 800 MFI across more than 70 countries to estimate economies of scope. Our findings suggest that statistical differences arise between estimates of scope economies. However, our qualitative findings indicate that both of these measures provide similar overviews of the landscape of scope …

Market Power, Eu Integration And Privatization: The Case Of Romania, Gabriel Asaftei, Christopher Parmeter

Christopher F. Parmeter

This paper investigates the effects on pricing behavior of firms in a transition economy resulting from integration into the European Union’s Common Market and changes in ownership. We use a semiparametric model with a rich panel of manufacturing firms in Romania from 1995 to 2003 to estimate firm-level markups. We find that markups are higher in more concentrated industries and less exposed to foreign competition. Trade integration appears to generally increase competitive pressure on markups. Industries exposed to more international competition experience a larger change in markups following integration into the European Union’s Common Market. However, as the initial impact …

Which Hedonic Models Can We Trust To Recover The Marginal Willingness To Pay For Environmental Amenities?, Nicolai Kuminoff, Christopher Parmeter, Jaren Pope

Christopher F. Parmeter

The hedonic property value model is among our foremost tools for evaluating the economic consequences of policies that target the supply of local public goods, environmental services, and urban amenities. We design a theoretically consistent and empirically realistic Monte Carlo study of whether omitted variables seriously undermine the method’s ability to accurately identify economic values. Our results suggest that large gains in accuracy can be realized by moving from the standard linear specifications for the price function to a more flexible framework that uses a combination of spatial fixed effects, quasi-experimental identification, and temporal controls for housing market adjustment

The Benefit Transfer Challenges, Kevin Boyle, Nicolai Kuminoff, Christopher Parmeter, Jaren Pope

Christopher F. Parmeter

Presidential Executive Order 12,866 requires federal agencies to design “cost-effective” regulations and to assess “costs and benefits” of these regulations on the basis of “the best reasonably obtainable scientific, technical, economic, and other information.” Benefit transfers are one economic approach used to estimate these benefits and costs, and the use of existing economic information to predict the effects of new policies is well established. However, advancing the practice of benefit transfers is crucial if economists are to play a role in developing federal policies. We review contributions to the benefit-transfer literature and present a unified conceptual framework to guide the …

Estimation Of Hedonic Price Functions With Incomplete Information, Subal Kumbhakar, Christopher Parmeter

Christopher F. Parmeter

Existence of persistent price dispersion suggests that some buyers find lower prices through search and information acquisition, while some sellers charge higher prices by gathering information on potential buyers. If buyers are not fully informed of the lowest price available in the market they end up paying a price higher than if they had full information. Similarly, if sellers are not fully informed about the highest price they could charge, they too suffer by receiving a price lower than had they had full information. This paper develops a hedonic price model that incorporates the effects of incomplete information on both …

Quantifying The Economic Effects Of Hypoxia On A Fishery For Brown Shrimp Farfantepenaeus Aztecus, Ling Huang, Martin Smith

Ling Huang

No abstract provided.

Trade Bans, Imperfect Competition, And Welfare: Bse And The U.S. Beef Industry, Dimitrios Pangiotou, Azzeddine Azzam

Azzeddine Azzam

Between May 2003 and July 2005, the U.S. beef industry faced a total ban on Canadian cattle imports following the discovery of BSE in Canada in May 2003 and restrictions on U.S. beef exports following the discovery of BSE in the United States in December 2003. When the United States reopened its border to Canadian cattle in July 2005, shipments were restricted to cattle less than 30 months of age. The total ban on Canadian cattle imports and restrictions on U.S. beef exports overlapped between January 2004 and July 2005. The restrictions on Canadian cattle imports and U.S. beef exports …

Cross-Validated Bandwidths And Significance Testing, Christopher Parmeter, Zhiyuan Zheng, Patrick Mccann

Christopher F. Parmeter

The link between the magnitude of a bandwidth and the relevance of the corresponding covariate in a regression has recently garnered theoretical attention. Theory suggests that variables included erroneously in a regression will be automatically removed when bandwidths are selected via cross-validation procedure. However, the connections between the bandwidths of the variables that are smoothed away and the insights from these same variables when properly tested for statistical significance have not been previously studied. This paper proposes a variety of simulation exercises to examine the relative performance of both cross-validated bandwidths and individual and joint tests of significance. We focus …

The Effects Of Bargaining On Market Outcomes: Evidence From Buyer And Seller Specific Estimates, Subal Kumbhakar, Christopher Parmeter

Christopher F. Parmeter

In this paper we examine wage dispersion in labor markets across currently employed workers. We argue that differences in the potential productivity of a match (typically assumed to be known in the previous literature) generates a surplus between the minimum wage the worker is willing to accept and the maximum wage the firm is willing to offer for the job. Existence of this surplus leads to wage dispersion due to negotiating over the amounts extracted by each agent. Our objective is to estimate the surplus extracted by each firm-worker pair and the effect of the net extracted surplus on the …

Imposing Economic Constraints On Nonparametric Regression: Survey, Implementation And Extensions, Daniel Henderson, Christopher Parmeter

Christopher F. Parmeter

Economic conditions such as convexity, homogeneity, homotheticity, and monotonicity are all important assumptions or consequences of assumptions of economic functionals to be estimated. Recent research has seen a renewed interest in imposing constraints in nonparametric regression. We survey the available methods in the literature, discuss the challenges that present themselves when empirically implementing these methods, and extend an existing method to handle general nonlinear constraints. A heuristic discussion on the empirical implementation for methods that use sequential quadratic programming is provided for the reader, and simulated and empirical evidence on the distinction between constrained and unconstrained nonparametric regression surfaces is …

Necessary Conditions For Valid Benefit Transfers, Kevin Boyle, Nicolai Kuminoff, Christopher Parmeter, Jaren Pope

Christopher F. Parmeter

No abstract provided.

Reflections On Recycling, Pollution And History Or, How To Beat The High Cost Of Living, Richard B. Philp

Richard B. Philp

Lessons learned during the Great Depression and World War II may have to be relearned. The three Rs (reduce, reuse and recycle) were essential then to individual and national survival. A fourth R, repair, was practised as well. These lessons, if relearned, will stand us in good stead when dealing with the current economic climate as well as with problems of pollution and global warming.

Modes, Weighted Modes, And Calibrated Modes: Evidence Of Clustering Using Modality Tests, Daniel Henderson, Christopher Parmeter, R. Russell

Christopher F. Parmeter

We apply recent results from the statistics literature to test for multimodality of worldwide distributions of several (unweighted and population-weighted) measures of labor productivity. Specifically, we employ Silverman (Bump) and Dip modality tests, calibrated to correct for their incorrect asymptotic levels. We show that test results are sensitive to the test statistic employed and to population weighting. But regardless of the statistical criterion used, multimodality is present throughout, or emerges during, our sample period (1960–2000). We also examine (a) movements of economies between modal clusters and (b) relationships between certain key development factors and multimodality of the productivity distribution.

Fertility And The Health Of Children: An Application Of A Nonparametric Conditional Late Estimator, Daniel Henderson, Daniel Millimet, Christopher Parmeter, Le Wang

Christopher F. Parmeter

Although the theoretical trade-off between the quantity and quality of children is well established, empirical evidence supporting such a causal relationship is limited. This chapter applies a recently developed nonparametric estimator of the conditional local average treatment effect to assess the sensitivity of the quantity-quality trade-off to functional form and parametric assumptions. Using data from the Indonesia Family Life Survey and controlling for potential endogeneity of fertility, we find mixed evidence supporting the trade-off.

Heterogeneity In Smoker Preferences For Increased Efficacy Of Cessation Therapies, Robert Paterson, Kevin Boyle, Christopher Parmeter, James Neumann, Paul De Civita

Christopher F. Parmeter

Promoting cessation is a cornerstone of tobacco control efforts by public-health agencies. Economic information to support cessation programs has generally emphasized cost-effectiveness or the impact of cigarette pricing and smoking restrictions on quit rates. In contrast, this study provides empirical estimates of smoker preferences for increased efficacy and other attributes of smoking cessation therapies (SCTs). Choice data were collected through a national survey of Canadian smokers. We find systematic preference heterogeneity for therapy types and SCT attributes between light and heavy smokers, as well as random heterogeneity using random parameters logit models. Preference heterogeneity is greatest between length of use …

The Effect Of Measurement Error On The Shape Of The World Distribution Of Income, Christopher Parmeter

Christopher F. Parmeter

This note examines the robustness that two modes exist in the world's density of per capita income. Our results suggest that this bimodal feature is robust and are arrived at using recently developed nonparametric deconvolution techniques.

Nonparametric Estimation Of A Hedonic Price Function, Christopher Parmeter, Daniel Hnederson

Christopher F. Parmeter

Rosen’s (1974) theory of hedonic prices is implemented econometrically using recently developed nonparametric techniques to examine the influence of qualitative factors on the price of a house. Our ability to smooth categorical variables leads to greater generalization in the valuation process and provides a canvas for interactions between categorical and continuous variables that is difficult to exploit in parametric and semiparametric models. This is illustrated with a replication of a previously used partially linear model specification.

Market And Welfare Effects Of The U.S. Livestock Mandatory Reporting Act, Kenneth Njoroge, Amalia Yiannaka, Azzeddine Azzam, Konstantinos Giannakas

Azzeddine Azzam

This paper analyzes the market and welfare effects of the United States Livestock Mandatory Reporting Act enacted in 2001. The act mandates meat packers to report their transactions daily to a government agency and requires the agency to make a summary of those transactions available to the public through the Mandatory Livestock Meat Market News Reports. Considering the case of an imperfect packer cartel that uses trigger price strategies, this paper examines the impact of market information provided by the reports on equilibrium livestock slaughter and the welfare of the groups involved and identifies the determinants of the socially optimal …

Vertical Economies And The Structure Of U.S. Hog Farms, Azzeddine Azzam, Cari Skinner

Azzeddine Azzam

Scale economies are often touted as the factor behind the trend in the structure of the U.S. hog industry toward fewer and larger hog farms. However, since hog production is multistage and farms either integrate or separate the stages, the appropriate measures are multistage economies. In theory, a smaller and, presumably, high-cost operation, by the standards of single stage/output scale economies, may still be cost-competitive if it enjoys multistage economies--that is if vertical scope economies more than offset stage-specific scale diseconomies. Whether that holds in practice remains heretofore unexplored in the agricultural economics literature. Using a unique data set on …

A Long And Winding Road: The Regulation Of Private Native Forestry In New South Wales, Australia, Jerome K. Vanclay, J Doland Nichols

Professor Jerome K Vanclay

This special issue of Small-Scale Forestry is concerned with private native forestry (PNF) in New South Wales (NSW), Australia. Private native forests comprise indigenous species in a semi-natural formation on privately owned land. Such forests are usually uneven-aged, and regenerated naturally rather than by sowing or planting. These forests are of major conservation and commercial importance in NSW, covering 8 M ha and comprising one-third of all native forest in the state (Thompson 2007). The management and harvesting of these forests is known as PNF, and has been the focus of public attention for several years, as the desirability and …

Potential Contributions Of Statistics And Modelling To Sustainable Forest Managment: Review And Synthesis, Keith Rennolls, Margarida Tomé, Ronald E. Mcroberts, Jerome K. Vanclay, Valerie Lemay, Biing T. Guan, George Z. Gertner

Professor Jerome K Vanclay

This chapter provides a review of the statistical and modelling disciplines, their techniques and potential contribution to sustainable forest management (SFM). The main topics covered are:

Mensuration and models for sustainable forest management (SFM) Inventory and monitoring for forest sustainability: criteria and indicators Models of tropical forests for the conservation of biodiversity Integrating information and models across spatial and temporal scales for SFM Climate and carbon models in relation to sustainability New techniques for the statistical analysis of sustainability data Uncertainly analysis in modeling and monitoring for SFM Forest data, information and model archives

There are major contributions to be …