Abstract:
The paper aims to clarify role of firm size, inflation, accounting disclosure and leverage to the cost of capital and examined
the existence of moderating effects of IFRS adoption on the relationship of the variables. Data used in this study is a secondary data
which is quantitative. Data of countries that have adopted IFRS and haven't adopted is sourced from iasplus. Data on the annual
financial statements published by each company was obtained from the New York Stock Exchange. The method of analysis used in this
study is panel data regression analysis of sampled firms from 2007 to 2011. The regression technique is flexible enough to test the
relationship between variables which are dependent and has several variants so that researchers can have the model that best fits the
situation at hand. The development of role of firm size model, the rate of inflation, extensive accounting disclosure and leverage against
the cost of capital and the development of moderating model using IFRS adoption event as international financial reporting standards