Perception of authenticity of tourist art among Native American artists in Santa Fe,New Mexico

This study investigated the authenticity of tourist art from the perspectives of Native American artists in Santa Fe, New Mexico. In‐depth interviews with nine artists revealed that authenticity of art for the artists strongly relates to the traditional manufacturing process. Indeed, the artists alter their art piece's exterior to appeal to tourists while also adhering to the traditional process of manufacture. Rather than connoting a loss of authenticity, they identify the process as an “enlargement” of the culture. The challenge for the artists is to improve understanding of the significance of the manufacturing process among tourists and younger generations of artists. Copyright © 2008 John Wiley & Sons, Ltd.     

Comparing stated and realized preferences for shade‐grown vs. conventionally grown coffee

We used both stated preference and revealed preference data to estimate willingness to pay (WTP) for shade‐grown coffee as compared with conventionally grown coffee. Stated preference data was collected using contingent valuation studies. Revealed preference data came from an experiment where all survey participants received a personally identifiable voucher redeemable for a free bakery item when the holder purchased a coffee. We compared estimates of mean and median WTP a price premium for shade‐grown coffee from stated preference data with similar estimates from revealed preference data. We used a logit model to evaluate the effect of explanatory variables (measures of environmental attitudes, personal norms for pro‐environmental behaviour and demographic variables) on respondents’ WTP a price premium for shade grown coffee. Model parameters were estimated using the maximum likelihood approach. Respondents with higher scores on measures of environmental attitudes and personal norms for pro‐environmental behaviour were, on average, willing to pay more for shade‐grown coffee. While this paper examined a specific case, purchase of shade‐grown coffee, our results confirmed that stated environmental concern was a good predictor of pro‐environmental behaviour. We found that mean and median WTP estimates from stated preference methods were higher, but not significantly different than mean and median WTP estimates from actual purchases, indicating convergent validity between stated and realized preference methods. The majority of individuals both stated WTP a price premium and purchased shade‐grown coffee at a price premium. We did, however notice some interesting behaviour at the individual level where stated preferences under‐predicted realized preferences at low price‐premia and over‐predicted realized preferences at high price premia.     

Perceptions of service delivery and happiness

An important task for students of development is to monitor progress in bringing basic services to all South Africans, one of the major objectives of the Reconstruction and Development Programme (RDP). This article reports on a subjective indicator study which began in February 1995, nine months after the April 1994 elections. The study, commissioned by Information Update, a Human Sciences Research Council research publication, inquired into personal happiness and assessments of local public services including access to water, education, electricity, health care, roads and transport. Over 5 700 South Africans were polled during 1995 in three nationally representative sample surveys. Secondary data analysis showed that perceived improvements to local services were closely associated with increases in happiness among all sectors of the population, including rural dwellers and the poor. The article discusses the policy implications of this finding for future voting behaviour and efficient local government.     

Did public risk perspectives of mad cow disease reflect media representations and actual outcomes?

The first confirmed Canadian case of bovine spongiform encephalopathy (BSE) was reported to the general public on 20 May 2003 and received considerable media coverage. A random‐digit dialled telephone survey of 1207 people in Alberta, Canada, was conducted in spring 2007 to better understand public perspectives on the resulting economic concerns and effects on farming. Comparisons to other risk events and concerns about the overall risk were also examined. Respondents acknowledged BSE to be an economic risk, especially to cattle producers. Health risks were of little concern, especially in comparison to other relevant risk events such as severe acute respiratory syndrome (SARS) and the BSE crisis in Britain. However, the risk of BSE was perceived as more dangerous should a domestically attributed case of variant Creutzfeldt‐Jakob disease (vCJD) (the human form of the disease) occur. The social amplification of risk framework (SARF) was extended to demonstrate that the discovery of BSE in Alberta led to neither an amplification nor attenuation of risk. Rather, risk management strategies employed in Alberta led to a mirroring of media representations and public perceptions of the risk. This unusual situation is in part due to the social and cultural context of the discovery of BSE in Alberta, including the history and pride of beef production in Alberta, how the risk was anchored, and a trust in government fostered by the media. This research also demonstrated how the application and interpretation of SARF is dependent on the comparative value used to assess whether amplification or attenuation has occurred.     

Do Women Ask?

Females typically earn less than males. The reasons are not fully understood. This paper re‐examines the idea that women “don't ask,” which potentially assigns part of the responsibility for the gender pay gap onto female behavior. Such an account cannot readily be tested with standard datasets. This paper is the first to be able to use matched employer–employee data in which workers are questioned about their asking behavior. It concludes that males and females ask equally often for promotions and raises. The paper's empirical results suggest, however, that while women do now ask they “don't get.”     

Dancing robots: integrating art,music, and robotics in Singapore’s early childhood centers

In recent years, Singapore has increased its national emphasis on technology and engineering in early childhood education. Their newest initiative, the Playmaker Programme, has focused on teaching robotics and coding in preschool settings. Robotics offers a playful and collaborative way for children to engage with foundational technology and engineering concepts during their formative early childhood years. This study looks at a sample of preschool children (N = 98) from five early childhood centers in Singapore who completed a 7-week STEAM (Science, Technology, Engineering, Arts, and Mathematics) KIBO robotics curriculum in their classrooms called, “Dances from Around the World.” KIBO is a newly developed robotics kit that teaches both engineering and programming. KIBO’s actions are programmed using tangible programming blocks—no screen-time required. Children’s knowledge of programming concepts were assessed upon completion of the curriculum using the Solve-Its assessment. Results indicate that children were highly successful at mastering foundational programming concepts. Additionally, teachers were successful at promoting a collaborative and creative environment, but less successful at finding ways to engage with the greater school community through robotics. This research study was part of a large country-wide initiative to increase the use of developmentally appropriate engineering tools in early childhood settings. Implications for the design of technology, curriculum, and other resources are addressed.     

Removing biases in computed returns

This paper presents a straightforward method for asymptotically removing the well-known upward bias in observed returns of equally-weighted portfolios. Our method removes all of the bias due to any random transient errors such as bid-ask bounce and allows for the estimation of short horizon returns. We apply our method to the CRSP equally-weighted monthly return indexes for the NYSE, Amex, and NASDAQ and show that the bias is cumulative. In particular, a NASDAQ index (with a base of 100 in 1973) grows to the level of 17,975 by 2006, but nearly half of the increase is due to cumulative bias. We also conduct a simulation in which we simulate true prices and set spreads according to a discrete pricing grid. True prices are then not necessarily at the midpoint of the spread. In the simulation we compare our method to calculating returns based on observed closing quote midpoints and find that the returns from our method are statistically indistinguishable from the (simulated) true returns. While the mid-quote method results in an improvement over using closing transaction prices, it still results in a statistically significant amount of upward bias. We demonstrate that applying our methodology results in a reversal of the relative performance of NASDAQ stocks versus NYSE stocks over a 25 year window.     

Gender differences in kindergarteners’ robotics and programming achievement

Early childhood is a critical period for introducing girls to traditionally masculine fields of science and technology before more extreme gender stereotypes surface in later years. This study looks at the TangibleK Robotics Program in order to determine whether kindergarten boys and girls were equally successful in a series of building and programming tasks. The TangibleK Program consisted of a six lesson robotics and programming curriculum that was implemented in three different kindergarten classrooms (N = 53 students). Although previous research has found that males outperform females in robotics and programming related fields, it was hypothesized that the young age of participants and their limited cultural indoctrination regarding gender stereotypes would allow boys and girls to have equal success in this program. Although boys had a higher mean score than girls on more than half of the tasks, very few of these differences were statistically significant. Boys scored significantly higher than girls only in two areas: properly attaching robotic materials, and programming using Ifs. Overall, both boys and girls were able to successfully complete the program.     

Arbitrage,cointegration, and the joint dynamics of prices across discrete commodity futures auctions

Underlying the search for arbitrage opportunities across commodity futures markets that differ in market structure is the idea that the futures prices for similar commodities that are traded on different exchanges adjusted for differences in currency, delivery time (if any), location, and market structure are equal. This article examines price linkages in competing discrete commodity futures auction markets. We find no evidence of cointegration of futures prices of similar commodities traded on two contemporaneous discrete auction futures exchanges in Asia. We also find no evidence of arbitrage activities across these two Asian exchanges, though this does not preclude arbitrage activities with North American continuous auction markets. This lack of cointegration may be due to nonstationarities in the trading cost component. © 1999 John Wiley & Sons, Inc. Jrl Fut Mark 19: 799–815, 1999     

'The Day of Burning': Eviction and Reinvention in the Margins of Northwest Zimbabwe

A violent eviction in a remote northwestern corner of Zimbabwe in late 1997 provides a prism through which to explore the changing dynamics of competition over space, power and production in Zimbabwe's agrarian margins, where con?ict over wildlife and agriculture has intensi?ed and the state has become a key player. The article argues that in its quest to (re)gain control over one such location, the state has had to construct it as space of violence in order to de‐civilize it and reinvent it as a wilderness zone. The ‘day of burning’ is taken not only as a signi?er of the violent potential of such competition, but also as a metaphor for the state's increasing loss of legitimacy in the margins: that is, the ‘burning away’ of any residue of illusion about the state as either the democratic embodiment of the people's will or compassionate provider of services and security.