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【多选题】
关于需求弹性在反垄断中的应用，如下哪个说法是正确的？
A.
垄断和需求交叉价格弹性有关，弹性越大，则竞争越多，因此垄断势力越小。
B.
垄断和需求（自）价格弹性有关，弹性越大，表明可能竞争越激烈，因此垄断势力越小；
C.
垄断和需求交叉价格弹性有关，弹性越大，则竞争越少，因此垄断势力越大。
D.
垄断和需求（自）价格弹性有关，弹性越大，则竞争越小，因此垄断势力越大。
E.
垄断和需求（自）价格弹性相关，弹性越大，表明可能消费者越有能力抵制，因此垄断势力越小。
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