@AN ESTIMATION OF DEMAND FUNCTION FOR INTERNATIONAL PHONE CALLS

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POURPARTOVI M.T.; RANJBAR FALAH M.R.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: JOURNAL OF SUSTAINABLE GROWTH AND DEVELOPMENT (THE ECONOMIC RESEARCH) Year:2006 | Volume:6 | Issue:2 Page(s): 81-102

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Title

@AN ESTIMATION OF DEMAND FUNCTION FOR INTERNATIONAL PHONE CALLS

Author(s)

POURPARTOVI M.T. | RANJBAR FALAH M.R. | Issue Writer Certificate

Keywords

CALL DEMANDQ3

INTERNATIONAL PHONE CALLSQ3

FIXED EFFECTSQ2

RANDOM EFFECTSQ2

HAUSMAN TESTQ3

Abstract

In this article, the demand function for INTERNATIONAL PHONE CALLS from Iran to 47 countries which is over 90 percent of Iranian INTERNATIONAL PHONE CALLS was estimated by using pooling data model in three ways: general case, FIXED EFFECTS and RANDOM EFFECTS. Then by using HAUSMAN TEST it was found out that there are RANDOM EFFECTS.In view of the research outcome, the demand elasticity of INTERNATIONAL PHONE CALLS in ratio of the price, volume trade and inflows (calls) are -.93, .37 and .33 respectively which is indicative of low demand elasticity in respect of the said variables. Accordingly, the demand elasticity of INTERNATIONAL PHONE CALLS in ratio of the income and internet users’ amount is 2.52 and 2.11 proving the high demand elasticity in respect of the said variables.It is necessary to mention that the time series data used in this research are for the period of 2000 to 2002.

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