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There has been an increased recognition that more attention needs to be paid to authentic leadership as it emphasizes positive psychological behavior. Organizational citizenship behavior is crucial in the public service, and there should be friendly leadership behavior that could enable public employees to engage in helping behavior. Research in this area is of great interest and with a very active research community. The problem has recently attracted more attention due to the increasing mismanagement, scandal, and corruption in various public organizations that have contributed to the demand for authentic leadership. Although public organizations were trying to introduce various leadership styles that can enhance service delivery, what and how leadership behavior contributes to employees' Organizational Citizenship behavior (OCB) in public service is not well elaborated. The respondents were leaders from 10 public service organizations. Empirical evidence revealed that leaders' authentic leadership behavior impacted employees' organizational citizenship behavior through self-awareness, sharing information, ethical practices, good relation with subordinates, mutual understanding, and transparency. The innovative results of the study revealed that political, cultural, and social aspects influence the leadership behavior of leaders in public service. This study concluded that authentic leaders play a great role in creating a positive relationship and promoting employees' citizenship behaviors. The implications and future research of the results were discussed based on the influence of authentic leadership on employees' OCB.

Total factor productivity (TFP) as a source of economic growth, has been recognized in economic theory for a long period of time. In this research we tried to examine the effect of some macroeconomic factors, which include trade openness, inflation, government expenditure, credit extended and foreign direct investment, and natural disaster drought on total factor productivity and its trend in Ethiopia by using Time series data spanning from 1991 to 2018.  The TFP was computed by using the growth accounting method from Cobb–Douglas production function.  ARDL was used for estimation of the short and long run econometric model.  Accordingly, the trend analysis shows the growth in TFP has been fluctuating over the study period. The result from ARDL indicated that; in long run foreign direct investment, government expenditure and drought negatively and significantly affect TFP. Credit extended is found to affect TFP positively and significantly, while inflation and trade openness are insignificant. Therefore, policies such as; subsidizing domestic firms, effective government spending and making the agriculture sector drought resistant need to be stimulated.