While there exists a variety of ways in which IPAs are organized for conducting policy advocacy through informal or formal organizational structures, there is no clear evidence of the merits of one structure over the other.
在投资促进机构可以各种方式通过非正规或正规组织结构进行政策倡导的情况下，没有明确的证据表明一种机构形式优越于另一种机构形式。