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Estimation of Keynesian Exchange Rate Model of Pakistan by Considering Critical Events and Multiple Cointegrating Vectors

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  • Hina, Hafsa
  • Qayyum, Abdul

Abstract

This study employs the Mundell and Fleming (1963) traditional flow model of exchange rate to examine the long run behavior of rupee/US $ for Pakistan economy over the period 1982:Q1 to 2010:Q2.This study investigates the effect of output levels, interest rates and prices and different shocks on exchange rate. Hylleberg, Engle, Granger, and Yoo (HEGY) (1990) unit root test confirms the presence of non-seasonal unit root and finds no evidence of biannual and annual frequency unit root on the level of series. Johansen and Juselious (1988,1992) likelihood ratio test indicates three long-run cointegrating vectors. Cointegrating vectors are uniquely identified by imposing structural economic restrictions of purchasing power parity (PPP), uncovered interest parity (UIP) and current account balance. Finally, the short-run dynamic error correction model is estimated on the bases of identified cointegrated vectors. The speed of adjustment coefficient indicates that 17 percent of divergence from long-run equilibrium exchange rate path is being corrected in each quarter. US war on Afghanistan has significant impact on rupee in short run because of high inflows of US aid to Pakistan after 9/11.

Suggested Citation

  • Hina, Hafsa & Qayyum, Abdul, 2013. "Estimation of Keynesian Exchange Rate Model of Pakistan by Considering Critical Events and Multiple Cointegrating Vectors," MPRA Paper 52611, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:52611
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    More about this item

    Keywords

    Exchange Rate Determination; Keynesian Model; HEGY Seasonal Unit Root; Cointegration; Error Correction Model; Pakistan;
    All these keywords.

    JEL classification:

    • C3 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • C5 - Mathematical and Quantitative Methods - - Econometric Modeling
    • F3 - International Economics - - International Finance
    • F31 - International Economics - - International Finance - - - Foreign Exchange

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