individual is proportional to their equilibrium Bonacich-centrality in the network, thus establishing a bridge to the sociology … literature on social networks. We then analyse a policy that consists of finding and getting rid of the key player, that is, the …, resulting in a key player policy, which effectiveness depends on the outside opportunities available to criminals. …

her Bonacich centrality in the network of local complementarities, thus establishing a bridge with the sociology … density. We then analyze a policy that consists in targeting the key player, that is, the player who, once removed, leads to …

. Finally, we show that the most efficient way of reducing total crime is to use both a transportation and a crime policy that … decreases commuting costs and increases policy resources. …

that it is unique. We then consider two policies: decreasing urban unemployment benefits and subsidizing urban employment …-urban migration. In this respect, the employment subsidy policy can backfire by raising rather than reducing urban unemployment. …

The Todaro Paradox states that policies aimed at reducing urban unemployment are bound to backfire: they will raise … and search-matching models. For that, we study a policy that consists in decreasing the urban unemployment benefit. In an …