In economics, the emergence of individual higher-efficiency organizations within the system will damage or inhibit the existence and development of other lower-efficiency organizations. People call this effect the "top effect". As individuals, regions The development between countries is uneven, so the "top effect" is universal. Based on the above definitions, which of the following can help avoid "top effects"? ['The cost of trade transactions between developed country A and economically backward country B has decreased, leading to the outflow of funds from country B.', 'Formulate a new policy in a certain place, increase support for SMEs, and regulate and control monopoly industries to limit the scale.', 'A food production company has been in a slump. After adopting advanced cultivation technology, the production scale of the company has expanded, and its sales share has started to increase.', 'It is stipulated in a certain place that for outstanding overseas returnees, they can directly grant the corresponding professional and technical titles with reference to their academic qualifications or professional levels, without any restrictions such as age.']