在报纸上发布的债权转让暨催收公告的效力,理论界与实务界尚存在争议。资产管理公司在不良资产处置实践中,由于债务人数众多且较分散,或债务人、担保人因改制、重组等原因发生变动,或债务人的联系地址发生改变,致使债权人不能及时有效 The effectiveness of the creditor’s rights transfer and collection announcement issued in the newspapers is still controversial between theorists and practitioners. Asset management companies in the non-performing assets disposal practice, due to a large number of debts and more scattered, or the debtor, the guarantor changes due to restructuring, reorganization and other reasons, or change the address of the debtor, resulting creditors can not be timely and effective