1 “... in returns to schooling are determined by fluctuations in foreign demand, which tend to be positively...”

2 “... of exporting firms at the national level also seems to positively affect the propensity to introduce new...”

3 “... values of gross domestic product per capita, a rise of the middle class would positively contribute...”

4 “... the presumed positive spillovers can justify government intervention (if the spillovers are localized...”

5 “...Recent literature has shown evidence of positive contributions of export promotion agencies around...”

6 “... of informal employment appears to be key for removing a positive omitted- variable bias in the estimate...”

7 “... suggests that natural resources might have large positive effects whose true magnitude remains unknown due...”

8 “... as measured by the Statistical Capacity Index. The paper finds that data transparency has a positive effect...”

9 “... premiums are positive for 67.3 (email adoption), 54.6 (website adoption), 59.4 (learning by exporting...”

10 “... democracy works - have a significant positive effect on the number of protests and strikes. Negative...”

11 “..., and they are more likely to export than domestic firms. They also exhibit positive spillover effects to domestic...”

12 “... might indeed have strong positive effects on long-run development, which might be stronger than...”

13 “... positive effects on national welfare, especially in developing countries. Latin American and Caribbean...”

14 “... stocks has been positive. This finding is robust to the use of ordinary least squares, Poisson...”

15 “.... Overall the results suggest that structural reforms lead to positive outcomes for labor. Unlike related...”

16 “..., population, and development, there are no significant and positive relationships between the expected drivers...”