Valuing Nature with Travel Cost Models
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Valuing Nature with Travel Cost Models

A Manual

  • New Horizons in Environmental Economics series

Frank A. Ward and Diana Beal

The book presents a self-contained treatment of TCM along with a wide range of applications to natural resource and environmental policy questions.
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Chapter 8: Data Management and Analysis

Frank A. Ward and Diana Beal

Extract

Page 179 8—  Data Management and Analysis In this chapter, we move from considering the design and flow of questions to elicit data from respondents to the mechanical processes of managing data so that it can  be coded and analysed. In addition, we briefly examine OLS regression analysis. Many readers will already be fully conversant with OLS and will have no need to  consult this section. Several sections of this manual assume a basic knowledge of OLS regression analysis. To facilitate the management of data, the questionnaire must be set out so that coding and data input are made as simple and efficient as possible. That issue is  discussed in this chapter, and then we proceed to an examination of the processing of responses once they start to be received. The following section discusses the  input of data to Whatever means of analysis are to be used when researchers are satisfied that few more responses will be received. Design to Facilitate Coding To facilitate analysis, responses to most questions on a survey instrument are coded in a numeric form. Efficiency and ease of data coding and input are directly related  to the layout of the questionnaire. For example, where information is needed about the types of expenses incurred other than those in a given list, a dotted line might be  placed to the left of the column and space left at the right for a code to be written in so that it can be easily read by the data...

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