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국회도서관 홈으로 정보검색 소장정보 검색

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Title page

Contents

Abstract 2

1. Introduction 3

2. Time Use as an Explanatory Variable 6

3. Data 10

4. Applying Lewbel (2012) to Time-Diary Data 13

4.1. Heteroskedasticity and Assumption (A1) 14

4.2. The Validity of Constructed Instruments 15

5. Results 16

5.1. Main Results 17

5.2. Testing Assumptions 19

6. Concluding Remarks 20

References 23

Tables

Table 1. Summary Statistics 27

Table 2. Summary Statistics for Time Spent in Various Activities 28

Table 3. The Effects of Exercise on Body Mass 29

Table 4. The Effects of Biking and Walking on Body Mass 30

Figures

Figure 1. Heteroskedasticity & Typical Time Use Average Minutes in Activies Within State & Year 26