Dr. Douglas Wrenn

Associate Professor

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Biography

Douglas H. Wrenn is an Associate Professor in the Department of Agricultural Economics, Sociology, and Education at Pennsylvania State University. His research primarily focuses on Environmental Economics and the intersection of human activities and environmental policies. He specializes in Urban Land Use Economics, Applied Econometrics, Nonmarket Valuation, and Policy Analysis. Through his work, he provides insights into how economic principles can be applied to address environmental challenges, particularly concerning land use and valuation of ecosystem services. His academic contributions have been recognized across various platforms, where he has been involved in multiple projects that analyze the effectiveness of environmental policies and land use regulations, making a significant impact on both academic and policy circles.

Research Interests

Requirements for Pennsylvania State University

Doctorate Program
Requirements
GPA Requirement
Required:3
TOEFL
Writing
Required:24
Speaking
Required:23
Total
Required:100
IELTS
Writing
Required:7
Speaking
Required:7
Overall
Required:7
GRE General
Prerequisites
Master's degree in related field for PhD Baccalaureate degree from accredited institution
Application Checklist
  • Three letters of recommendation
  • Statement of Purpose
  • Writing Sample
  • Official Transcripts
  • Resume/CV
Specialization Notes

GRE scores are highly recommended but not strictly required for Applied Linguistics.