Table 1
Estimates of consumption and labour supply functions
| A. Consumption function (ln C) | |||
|---|---|---|---|
| Variable | Coefficient | t-stat | Probability |
| constant | 4.24 | 10.30 | 0.00 |
| lnti (a1) | −0.49 | −13.10 | 0.00 |
| lncom | 0.82 | 40.20 | 0.00 |
| Adj. R2=0.99, J-stat=2.93E-17 | |||
| B. Labour supply function, working hours (ln L) | |||
|---|---|---|---|
| Variable | Coefficient | t-stat | Probability |
| constant | 4.52 | 6.80 | 0.00 |
| lnty (b1) | 1.49 | 13.71 | 0.00 |
| lnw | 1.25 | 32.60 | 0.00 |
| lnUN | −0.12 | −2.23 | 0.03 |
| lnCPI | −0.79 | −6.33 | 0.00 |
| Adj. R2=0.94, J-stat=2.11E-16 | |||
| C. Summary of the estimates of the main coefficient value | |||
|---|---|---|---|
| (1) | (2) | (3) | (4) |
| α1=dlnC/dlnti | b1=dlnL/dlnty | 1-a1+b1 | |
| −0.49 | 1.49 | 2.98 | 1.67 |
[i] Source: Ameco database (Eurostat), OECD Statistics

Figure 1
Optimal direct and indirect tax rates
