Abstract Customer Lifetime Value (CLV) is known as an important concept in marketing and management of organizations to increase the captured profitability. Total value that a customer produces during his/her lifetime is named customer lifetime value. The generated value can be calculated through different methods. Each method considers different parameters. Due to the industry, firm, business...

This study considers the job scheduling problem of minimizing the weighted waiting time variance (WWTV) of jobs. It is an extension of WTV minimization problems in which we schedule a batch of n jobs, for servicing on a single resource, in such a way that the variance of their waiting times is minimized. WWTV minimization finds its applications for job scheduling in manufacturing systems with e...

The World Color Survey [WCS] was undertaken to investigate the main findings of Berlin and Kay [B&K] (1). These were (A) that there exist universal cross-linguistic constraints on color naming, and (B) that basic color terminology systems tend to develop in a partially fixed order. To this end, the WCS collected color-naming data from speakers of 110 unwritten languages. The WCS data are availa...

The experience of data collection in India was fairly uneven. Over 85 copies of the questionnaire were circulated, on the basis of an initial list later expanded which was designed to be representative of every sector of professional activity identified. In most cases, the mailing of the questionnaire was preceded by a prior telephone conversation or a personal visit to confirm that the respond...

T he 1999 Purdue Land Values Survey indicates that the value of an acre of average bare Indiana cropland was $2,092 per acre in June 1999. This was $63 less than the value reported in June 1998, a 2.9 percent decrease. This decline ends 11 consecutive years of increasing values. Cash rents declined from 1998 to 1999 on average land by a little less than two percent to $110 per acre. This is the...

T he 1998 Purdue Land Values survey indicates that the value of an acre of average bare Indiana cropland was $2,155 per acre in June 1998, $55 more than the all-time peak reached in 1981. This is an increase of $158 per acre, or approximately 8 percent, over the value reported in 1997. In each of the past five years, annual increases in the value of this land have ranged from about $100 to over...