Crowding effect refers to the effect that when the government adopts an expansionary fiscal policy, it can induce the increase of private consumption and investment, which will lead to an increase in the total output or total employment; the crowding effect refers to the new increase in supply and demand With the reduction of private consumption or investment caused by the increase in government expenditure, this will cause some funds to be squeezed out of the original advances and flow into new commodities. Based on the above definitions, Which of the following are the crowding out effects:. ['The county government in a certain area has reduced taxes for individuals with family difficulties through business operators. This has driven the local individual economy.', 'A local government plans to invest in some large-scale chemical projects and establish chemical plants, as the plants will occupy a part of the arable land. As a result, food prices in the region have risen.', 'Due to the increase in school-age children, the local government increased funding for school infrastructure and reduced tuition and fees, so the proportion of local families reporting art classes to their children increased.', 'After a house purchase restriction order was implemented in a city, the property market transaction was sluggish, and people turned to invest in neighboring cities, which further stimulated the neighboring market.']