Chapter 9 300 Table 4. Linear regression analysis results with persistence and total earnings as independent variables Model 1 Model 2 Model 3 Model 4 Model 5 Sample Both arms Only random Only nudged Only depositbased Only rewardbased Persistence Β p-value β p-value β p-value β p-value β p-value Intercept 212.7 .000 223.0 .000 248.4 .000 217.5 .000 197.5 .000 Nudged assignment 48.4 .044 68.3 .097 42.7 .174 Payment condition €12 36.9 .219 40.6 .368 30.0 .474 -33.6 .549 58.2 .126 Payment condition €20 78.9 .009 48.3 .283 112.5 .008 -2.1 .969 113.3 .003 Deposit-based incentives -0.2 .996 9.3 .789 Earnings Intercept 521.5 .000 662.8 .000 633.2 .000 492.7 .011 570.2 .000 Nudged assignment 189.6 .011 312.1 .039 94.5 .195 Payment condition €12 270.5 .004 291.1 .048 307.4 .007 158.6 .470 337.1 .000 Payment condition €20 993.8 .000 855.9 .000 1236.7 .000 857.0 .000 1112.4 .000 Deposit-based scheme -214.0 .068 -54.7 .555 Observations N=171 N=171 N=171 N=171 N=171 Note: Model1: Effect of choice on persistence and earnings Model2: Effect of deposit-based incentives on persistence and earnings when it is not a choice Model3: Effect of deposit-based incentives on persistence and earnings when it is a choice Model 4: Effect of choice on persistence and earnings among those who have a deposit-based incentive scheme Model 5: Effect of choice on persistence and earnings among those who have a reward-based incentive scheme
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