Table 3. Results of linear regressions for three types of sharing.


None Pooling Restricted
a0 2.1761*** 1.4607*** 0.5494***
a1 (densityt-1) 0.8066*** 0.8502*** 0.9310***
a2 (PDSI) -0.0873*** -0.0630*** -0.0289***
i 2 2 2
R2 0.6814 0.7362 0.8698

***Significant with p < 0.001.