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ndings
Refer to Table.1 in appendix, the shows summary of result of Paired-samples t test for the variable operating profit margin. Mean value of the operating profit margin is lower in the post privatization period. On the other hand, standard deviation is higher in the post privatization period as compared to pre privatization period. It indicates that privatization has negative impact on the net profit margin; moreover, it has also become more volatile after privatization. Whereas, the significant value is less than 0.05 which indicates that significant change has been observed in the operating profit margin after privatization.

Refer to Table. 2, 3, 4 in appendix, the result shows summary of result of Paired-samples t test for the variable Net Profit Margin, Return on Equity, and Earning per Share respectively. Results show that all of these three variables have declined after privatization, and have become more volatile. The significance value is greater than 0.05 which indicates that changes in these variables are not statistically significant.

Refer to Table. 5 in appendix, the result summarizes result of paired t test for the variable Number of trades. The mean value of the Number of trades is almost double in the post privatization whereas, the standard deviation for the number of trades is high in the post privatization period. P or significant value for the variable Number of Trades is highly significant as it is less than .005 indicating that the number of trades per day is significantly affected due to privatization.

Conclusion 结论
Based on the results obtained, it was shown that there is a significant effect of privatization on the average number of trades of shares. This effect is being found positive as well. However, Analysis of the financial data shows decline in the financial performance of the company after privatization measured by operating profit margin, net profit margin, return on equity and earnings per share ratio. These entire four variables show decline in the post privatization period but the change is significant only in the variable operating profit margin. Hence we can conclude that privatization of PTCL has not been found analytically favorable. It is recommended, based on the result of the research, the legislative agencies should make appropriate policies to achieve a suitable market for Pakistan. Information clarification, choice of investor and a transparent privatization process should be the top priorities of authoritative bodies in order to make privatization more effective and efficient. As suggested by Zeitun and Tian (2007) a privatization reform should go gradually and government should provide all necessary social securities to reduce the negative social impact of a firms' liquidation.

Issues for Future Research
Many issues are not covered during the study due to shortage of resources and time. Based on the findings of the current research the following suggestions are recommended for further research:

To examine the relation between privatization and management performance.

To examine the impact of privatization on employees' sense of job security.

To examine the failures of financial ratios in decision makings.

To examine the analysis of financial ratios in decision makings.

To examine the impact of privatization on staff's efficiency.