| Subject |
|---|
| polycentricity [65] |
| population [35] |
| population growth [53] |
| poverty [213] |
| prisoner's dilemma [29] |
| production [21] |
| project implementation [18] |
| property rights [666] |
| Property Rights [1] |
| property rights--theory [21] |
| protected areas [295] |
| public domain [44] |
| public finance [5] |
| public goods and bads [122] |
| radio spectrum [7] |
| research [82] |
| resource management [978] |
| riparian rights [24] |
| rural affairs [132] |
| rural development [137] |