A study on the effect of macroeconomics instability index on private investment in Iran

Abstract

In this paper, we perform an empirical study to investigate the impact of economical stability on the amount of investment coming from the private sector. We calculate macroeconomics instability index (MII) using the existing methods in the literature. We have also used Glezakos (1973) method [Glezakos,C.(1973). Export instability and economic growth: A statistical verification. Economic Development and Cultural Change, 21(3), 670-678.], which considers long-term deviation of real values as instability index. Therefore, we use four variables of inflation rate (TINF), the ratio of budget deficit on growth domestic product (GDP) (TBD), foreign debt on GDP (TFD) and the ratio of actual currency rate on nominate currency (TRO). The preliminary results show that the short-term changes on logarithm of investment from private sector (LNIP) with one lag and logarithm of value added (LNIV) have positive impact on LNIP. In addition, any short term changes on logarithm of MII (LNMII) has negative and meaningful impact on LNIP and approximately 0.67 percent of difference between the actual and long term are discounted in each period. The results indicate that instability index has negative effect even in short term on Iran's industry. This shows the relevant importance of instability on economy.

Determinants of growth of private investment in Jimma City, Ethiopia

“…Moreover, Bader and Malawi (2010) study the impact of interest rate on investment using a co-integration analysis method, declare that the real interest rate has a negative impact on investment, while the income level has a positive impact on private investment. Ahangari and Saki (2012) studied the determinants of private investment in Iran. They found that private investment is a function of instability index, government investment, income from oil and gas exports, value added of industry, and banks' credits.…”