Two groups produce a network good perceived by a third party, such as a police or military institution, as a "public bad", referred to as "crime" for simplicity. These two groups, considered mafias, are assumed to be antagonists, whether they are enemies or competitors in the same market,...

Many poor countries are ill-adapted to the current leave alone a changing future climate, because they lack the necessary financial means to invest in efficient and cost-effective safeguarding measures. International endeavours to fund institutions, such as the Green Climate Fund, to provide...

Many poor countries are ill-adapted to the current leave alone a changing future climate, because they lack the necessary financial means to invest in efficient and costeffective safeguarding measures. International endeavours to fund institutions, such as the Green Climate Fund, to provide...

Many poor countries are ill-adapted to the current leave alone a changing future climate, because they lack the necessary financial means to invest in efficient and costeffective safeguarding measures. International endeavours to fund institutions, such as the Green Climate Fund, to provide...

Many poor countries are ill-adapted to the current leave alone a changing future climate, because they lack the necessary financial means to invest in efficient and cost-effective safeguarding measures. International endeavours to fund institutions, such as the Green Climate Fund, to provide...