All things considered, in Europe, the principle capacity of the national bank is to keep up w expansion. In the USA the emphasis is on both expansion and unemployment. [citation nee These objectives are in some cases in struggle (as indicated by the Phillips bend). A nationa might endeavor to do this[ clarification needed] by falsely affecting the interest for product expanding or diminishing the country's cash supply (comparative with pattern), which bring raises financing costs, which invigorates or controls spending on labor and products