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Full-Text Articles in Economics

Wavelet Based Sarima Models For Forecasting Natural Gas Demand, S.M. Aqil Burney, Afzal Saleemi, Syed Akhter Raza Jul 2006

Wavelet Based Sarima Models For Forecasting Natural Gas Demand, S.M. Aqil Burney, Afzal Saleemi, Syed Akhter Raza

Business Review

Time series analysis has attracted a lot of attention of researchers in recent times due to availability of sophisticated computing facilities. In this paper wavelet transformation and seasonal ARIMA methodology have been used to analyze and forecast time series. First we analyze time series data for gas demand of Sui southern Gas Company (SSGC) of Pakistan and forecast with Box-Jenkins SARIMA models then we look at waveletbased multiresolution analysis (MRA) and SARIMA models predictions using the compressed and de-noised signals. With the right choice of mother wavelets, this method is very successful in analyzing and forecasting time series. In the …


Socioeconomic Status As A Predictor Of Marital Adjustment In Working Women, Zeenat Ismail, Kausar Ansari Jul 2006

Socioeconomic Status As A Predictor Of Marital Adjustment In Working Women, Zeenat Ismail, Kausar Ansari

Business Review

The purpose of the present research was to determine the extent to which Socioeconomic Status in Pakistani scenario can predict Marital Adjustment with special reference to working women. After detailed literature review it was hypothesized that Marital Adjustment would be more among working women of high Socioeconomic Status as compared to working women of low and middle Socioeconomic Status. Sample of the present research consisted of 150 married working women divided into three groups of subjects each consisting of fifty women. These groups comprised of low, middle and high socioeconomic classes. Dyadic Adjustment Scale was administered in order to measure …


Random Walk Tests For Kse-100 Index: Evidence And Implications, Abdul Rashid Jul 2006

Random Walk Tests For Kse-100 Index: Evidence And Implications, Abdul Rashid

Business Review

The variance-ratio tests are used to test the random walk hypothesis for Pakistan’s stock exchange. The evidence indicates that the stock prices generally do not follow random walk over the entire examined period. This piece of evidence is robust during the second sub-period. During the first sub-period, however, the stock prices do not behave non-randomly. The absence of a random walk is implying that profitable trading rules can be devised. The findings also show that the Karachi Stock Exchange falls back to normal after being dramatically affected by a shock.


Have We Missed The Rally?, Talib Haider Jul 2006

Have We Missed The Rally?, Talib Haider

Business Review

Capital Markets across the world have made many rich and many poor. Though the number of people losing money appears to be somewhat more, this notion simply becomes relative if one looks at it from stock investment perspective, where one loses one day and gains on another.


Why Is A New Index Needed?, Shama Ahmed Jul 2006

Why Is A New Index Needed?, Shama Ahmed

Business Review

Stock Market, Indices, Finance