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Katerina Haskova

, N. (2014) ‘Maintaining Customer loyalty’, American Marketing Association, January/February [Online]. Available at: https://www.ama.org/publications/MarketingInsights/Pages/Maintaining-Customer-Loyalty.aspx (Accessed: 3 May 2014). King, M. (2011) ‘Store Wars: Caffe Nero and Starbucks’, The Guardian , 23 September [Online]. Available at: http://www.theguardian.com/money/blog/poll/2011/sep/23/store-wars-caffe-nero-starbucks (Accessed: 3 May 2014). Kissmetrics (2014) Lifetime Value. Available at: http://blog.kissmetrics.com/how-to-calculate-lifetime

Open access

R. Jen-peng Huang, Genesis Sembiring Depari, Sri Vandayuli Riorini and Pai-Chou Wang

Abstract

This paper identified the relevance of several publication’s characteristics of each publication in reaching more people through organic strategy using Support Vector Machines. Before finding the relevance of several inputs, 10 potential models were examined. Based on the results of 10 models examination, we found that Comments, Likes and Shares have smallest error. However, those variables represent the customer engagements, instead of reaching more people. In the other side, Lifetime total organic reach is the best model compares to other models, therefore lifetime total organic reach was selected as a model. Furthermore, page total likes were found as the most relevance input in reaching more people through organic reach. The next most relevance inputs were followed by Type, month, day and hour of publication. Eventually, we come up with a managerial implication on how to publish a post in order to reach more people through organic reach.

Open access

Mehdi Rajabi Asadabadi

optimal inventory policies for the economic order quantity (EOQ) model under conditions of two levels of trade credit and two warehouses in a supply chain system. African Journal of Business Management, 6 (26), 7669. Muhlemann, A. P., & Valtis-Spanopoulos, N. (1980). A variable holding cost rate EOQ model. European Journal of Operational Research, 4 (2), 132. Olsson, F. (2014). Analysis of inventory policies for perishable items with fixed leadtimes and lifetimes. Annals of Operations Research, 217 (1), 399-423. Olsson, F. (2014). Analysis of

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Renfei Luo, Jiedan Huang, Jimmy Lee and Philip Pun

. Production and Inventory Management Journal , 39(3), 1-5. Ishii K., Takahashi, K., & Muramatsu R. (2007). Integrated production, inventory and distribution Systems. International Journal of Production Research , 26(3), 473-482. Kim, S. H. (2008). Designing robust supply chains using a new hybrid push-pull control with multiple push-pull boundaries . Dissertation, Arizona State University. Kouki, C., Babai M. Z., Jemai Z., & Minner, S. (2016). A coordinated multi-item inventory system for perishables with random lifetime. International Journal of

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Sulaimon Olanrewaju Adebiyi, Emmanuel Olateju Oyatoye and Owolabi Lateef Kuye

, Management Science , Vol. 36, No. 3, pp. 269–273. Hennig-Thurau, T., Hansen, U. (2000), Relationship marketing: Gaining competitive advantage through customer satisfaction and customer retention , Germany, Springer. Hurley, T. (2004), Managing Customer Retention in the Health and Fitness Industry: A Case of Neglect, Irish Marketing Review , Vol. 17, No. 1/2, pp. 14–34. Jain, D., Singh, S. S. (2002), Customer Lifetime Value Research in Marketing: A Review and Future Directions, Journal of Interactive Marketing , Vol. 16, No. 2, pp. 34–46. Joseph

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Karl Farmer and Birgit Bednar-Friedl

-157 Schaefer M. B. (1954) Some aspects of the dynamics of populations important to the management of commercial marine fisheries, Bulletin of Inter-American Tropical Tuna Commission 1, 25-56 Shell K. (1971) Notes on the economics of infinity, Journal of Political Economy 79, 1002-1012 Smith V. L. (1968) Economics of production from natural resources, American Economic Review 58, 409-432 Valente S. (2008) Intergenerational transfers, lifetime welfare, and resource preservation, Environment and Development Economics, 13 (1), 53-78

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Dopé M. Adjor and Léleng Kebalo

, Institute for International Economics, Washington DC. 32. Mauro, P. (1998). Corruption and the composition of government expenditure. Journal of Public Economics, 69(2):263-279. 33. Mincer, J. (1991). Education and unemployment. Technical report, NBER. 34. Myrdal, G. (1968). Asian Drama: An Enquiry in the Poverty of Nations, volume 2. The Twentieth Century Fund: New York. 35. Nickell, S. (1979). Education and lifetime patterns of unemployment. Journal of Political Economy, 87(5, Part 2): S117-S131

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Andrea Szalavetz

ESO considerations, improvement in the environmental performance of products would call for shorter product life, as the benefits associated with new models featuring superior environmental performance may outweigh the environmental costs related to early product replacement. New-generation consumer goods, e.g., refrigerators or vacuum cleaners, consume less energy in use. Ozone-depleting chlorofluorocarbon (Freon) emission by old vintage refrigerators is eliminated in newer vintage pieces. This calls for replacing inefficient products before their designed lifetime

Open access

Juraj Ružbarský and Witold Biały

Abstract

The article deals with the formation and spread of cracks from thermal fatigue in metallic forms. For a detailed examination of the problem, it is necessary to describe the thermal side of the process and the mechanism of mechanical stressing of the material. For the heating of the material is valid where the thermal diffusivity of the material is exercised by the decision method. The stress of the material by heating from the die casting metal depends mainly on the physical properties of the material when the calculated stress does not exceed the yield point. Also, with the help of dislocations write the life to the origin of the cracks in the cycles eventually the share of this lifetime on the total lifetime in dependence on the mechanical and physical properties of the material. During operation tests the occurrence of the cracks on the mold surface was initiated by the inclusion or concentration of stress in the knurling effect of fine grooves after grinding. Other cracks occurred in the undersurface layer and their direction was statistically accidental.

Open access

I. A. Bako, M. A. Jamda, O. Audu and M. O. Araoye

Abstract

The study was aimed at determining the HIV risk perception and sexual behaviour among commercial motorcyclists in Makurdi, Benue State, Nigeria. The study design was cross sectional study among 344 consenting, registered commercial motorcyclists, aged 18 years and above working in Makurdi, Benue State capital. A multistage sampling technique was used to select the respondents from a total of 5000 motorcyclists spread across 45 stations within Makurdi. Data was collected in September 2014 using structured interviewer administered questionnaire. Analysis was done with SPSS version 20.0. The mean age was 28.18 (± 7.94) years. Approximately 93% of the participants reported ever having sex. The average lifetime number of sexual partners was 8.9 (± 20.26) while 48.0% reported having had more than one sexual partner in the previous one year. A two third of the respondents (66.7%) reported use of condom during their last sex with a non-regular partner. Slightly less than a quarter (24.1%) of the respondents have paid to have sex in the previous one year. However only 29.6% perceived themselves as been at moderate or high risk of contracting HIV. There was significant association between risk perception and use of condom during last sex with any partner {OR-2.687 (95% CI= 1.337 - 5.400) p=0.005}. There is low personal risk perception despite high proportion of risky sexual behaviours among the respondents. HIV prevention interventions among commercial motorcyclists need to be more tailored and with the objective of building assertive skills in addition to imparting knowledge.