Carrara Cathedral Carrara Cathedral Carrara Cathedral (Italian: "Duomo di Carrara") is a Roman Catholic church, dedicated to Saint Andrew, in the town of Carrara, located in central Italy. Most of the exterior, and much of the interior, is covered in the local Carrara marble. An older church, "Ecclesia Sancti Andree de Carraria", is mentioned as existing on this site as early as 1035, but of it, only a bas-relief remains. The first written documentation of the Carrara Cathedral dates to 1099. The church was first enlarged in 1099, when it received the status of "pieve". It is the first Medieval church to
Economic region of production that increases in both capital and labour are required to produce a given fixed quantity of output. The ridge lines are the combination of points where marginal product (MP) of one of the factors is zero. The theory entails that there is a limit to how much one factor can be substituted for another. When production reaches a point where substitution between the factors becomes impossible (MP), the isoquant becomes positively sloping. No rational entrepreneur will operate at a point outside the ridge lines (Region of Economic Nonsense). Economic region of production In economics, the economic region of production is