The councils implement their mandate through an executive committee and regional sectoral bureaus. The sectoral congressmen represent the minority sectors of the population. There are a variety of trade unions and employers' organisations representing sectoral and regional interests. The revenue is generally earmarked for regional or sectoral training programmes. There is effective coordination and monitoring of various sectoral programmes. The global nature of the crisis limits the effects of national or sectoral measures. The decline of heavy industry resulted in a sectoral shift of labour. Patterns and changes in sectoral employment drive demand shifts through the income elasticity. These are called "Sectoral Legislative Arrangements". The translation of trade deficits to budget deficits works through sectoral balances. It works on policy formulation at a global and sectoral level. Another reason is the difference between GDP and employment with respect to their sectoral structures. This first step will include integration between government, sectoral entities and local residents. Bayan operates as an alliance of different sectoral organizations. There are two types of congressmen&colon; the district and the sectoral representatives.