Friedman and Johnson (1997) show that for a wide range of dynamic optimization problems, supermodularity is both necessary and sufficient for monotone static results. In the present context, this implies that our supermodular model requires the minimum set of assumptions to obtain monotonicity in the optimal decision variables.
2
The evidence presented here needs to be supplemented with information about inter- and intrafamily income transfers. This issue was addressed in a follow-up survey, but analysis of the results is not yet complete.
Answer:
Child development is Physiological, biological and emotional growth
It can cause forced labor in many parts of the world
Most likely federal, as monarchy isn't a strong central government, it's a one person government with optional advisors. A federal government implies a democratic style of leadership with a main government instead of separate small ones within a country.