The aim of this study is to investigate how network effects affect the quality and price decisions of firms in a vertically differentiated market. As network effects increase, high-quality producers tend to raise quality while low-quality producers lower it. The degree of product differentiation...

We describe the costs of the conscription system from different perspectives. In particular, we consider the definition of opportunity cost related to the service time of conscripts. This is a cost that is not directly reflected in the state budget. In addition, we review related literature and...

We describe the costs of the conscription system from different perspectives. In particular, we consider the definition of opportunity cost related to the service time of conscripts. This is a cost that is not directly reflected in the state budget. In addition, we review related literature and...

Chinese Abstract:...

Chinese Abstract:...

Indonesian Abstract: Penelitian ini bertujuan untuk mengevaluasi sejauh mana keberhasilan sistem e-procurement Kementerian Keuangan yang telah berjalan berdasarkan sudut pandang pengguna (user) dengan pendekatan DeLone and McLean (DM) Information System (IS) Success Model. Sumber data yang...