scholarly journals Economic Valuation of an Urban Lake Recreational Park: Case of Taman Tasik Cempaka in Bandar Baru Bangi, Malaysia

2019 ◽  
Vol 11 (11) ◽  
pp. 3023 ◽  
Author(s):  
Jamal Othman ◽  
Yaghoob Jafari
Keyword(s):  
Negative Binomial ◽  
Economic Valuation ◽  
Local Population ◽  
Economic Value ◽  
Public Support ◽  
Urban Park ◽  
Revenue Collection ◽  
Wide Range ◽  
Recreational Services ◽  
Recreational Benefits

There is growing public support for an outdoor, nature-based urban park, which offers the local population a wide range of recreational services for an improved quality of life. This study estimates the economic value of recreational benefits for the case of a lake-based urban park known as Taman Tasik Cempaka (TTC) in Bandar Baru Bangi in Selangor, Malaysia. The Travel Cost Method (TCM) was used to generate the demand function for park visitation and the recreational benefits were estimated using the Poisson and Negative Binomial (NB) models. The net benefits of recreation per visitor were evaluated at MYR 6.2 per trip while the price elasticity of demand was highly inelastic at −0.48. The result provides support for the imposition of an entrance fee and the subsequent revenue collection may be used for park upkeep and conservation.

scholarly journals Research Regarding the Morphological Characteristics of Calendula Officinalis Local

2012 ◽  
Vol 69 (1) ◽  
Author(s):  
Cristina ZEPA ZEPA CORADINI ◽  
Valeriu TABÄ‚RÄ‚ ◽  
Doru PETANEC ◽  
Lavinia MICU ◽  
Irina PETRESCU ◽  
...  
Keyword(s):  
Local Population ◽  
Economic Value ◽  
Morphological Characteristics ◽  
Morphological Features ◽  
Morphological Aspect ◽  
Calendula Officinalis ◽  
Experimental Field ◽  
Wide Range ◽  
Polymorphic Species ◽  
Flowering Process

Marigolds have an important economic value which let to an increase production and cultivation being thus used in a wide range of fields. One of the basic elements regarding marigolds production is represented by anthodia with flowers and seeds determined by the blossom and the number of anthodium on the plant. The plant’s blossom is determined by the n umber of lingulate flowers from the external side of the anthodium where seeds grow. Calendula is a polymorphic species, forming during its evolution not only flowering, but also semi-flowering anthodia and simple flowers. In the experimental field of UASVM Timisoara we performed a series of research regarding the morphological features of six local population of marigold from the western part of the country. Flowers’ blooming proved to have a different evolution due to the influence manifested by the local population and also by the harvest results. This blooming phenomenon proved to highly influence the production elements. Blooming influence upon anthodia mass of seeds proved to be as similar as in case of anthodia with flowers. At the beginning of the harvest period, the anthodia mass of seeds proved to be maxim. According to the information collected during research, anthodia flowering fails to reestablish during harvest. The flowering process influences the number and the size of the seeds. Moreover, flowers blooming process may lead to the formation of homogenous seeds, not only in size, but also as regards their morphological aspect. The seeds from the flowering anthodia proved to be homogenous in comparison with other anthodia and had even better technological qualities.

scholarly journals The Valuation of Recreational Use of Wetlands and the Impact of the Economic Crisis

2020 ◽  
Vol 17 (9) ◽  
pp. 3228
Author(s):  
Fernando Vidal Gimenez ◽  
Claudio Ruiz Mas
Keyword(s):  
Economic Crisis ◽  
Contingent Valuation Method ◽  
Economic Valuation ◽  
Economic Value ◽  
Environmental Resources ◽  
Public Managers ◽  
Valuation Method ◽  
Recreational Services ◽  
The Impact ◽  
Valuation Tools

The economic valuation of environmental resources is of great interest to society in general and to public managers in particular. It can promote more sustainable environmental policies, as it clearly shows the high economic value of natural resources. Thus, these valuation tools can provide useful evidence to support such policies by quantifying the economic value associated with the protection of such resources. However, there is an inherent difficulty in the implementation of methods to assess the economic valuation of environmental resources, mainly as a result of the absence of a market and hence a price that explains its social demand. However, both the travel cost method and the contingent valuation method used in this paper offer an approach to the economic values of the recreational services for wetlands. The aim is to analyze whether these values have been influenced by the economic crisis, so two time periods are compared separated for a decade. Results do not show an unequivocal influence between values in both periods, with different behaviors among natural areas, although with a certain tendency to increase in the decade being analyzed.

scholarly journals Economic valuation for tembawang ecosystem, in Sanggau District, West Kalimantan, Indonesia

2017 ◽  
Vol 18 (4) ◽  
pp. 1506-1516 ◽  
Author(s):  
EMI ROSLINDA ◽  
SITI MASITOH KARTIKAWATI ◽  
RABUDIN RABUDIN
Keyword(s):  
Survey Methods ◽  
Economic Valuation ◽  
Economic Value ◽  
Use Value ◽  
Option Value ◽  
Economic Values ◽  
West Kalimantan ◽  
Wide Range ◽  
Total Economic Value ◽  
Direct Use

Roslinda E, Kartikawati SM, Rabudin. 2017. Economic valuation for tembawang ecosystem, in Sanggau District, West Kalimantan, Indonesia. Biodiversitas 18: 1506-1516. The tembawang ecosystem in West Kalimantan (Indonesia) spreads over especially in Sanggau District region. Tembawang is a system of land used by customary community of Dayak ethnic which is traditionally managed and communally used. The objective of this study is to determine the total economic value (TEV) of the tembawang ecosystem. Survey methods were used in this research. 70 respondents were selected by census method. Total economic values in this research were restricted on direct use value, indirect use value and option value. Based on market price (biomass) and opportunity cost (hydrological role), the economic values were calculated. The results showed that total economic value of Tembawang Ampar was IDR 263,837,082 year-1, which was equivalent to IDR 36,900,291 year-1ha-1. They are IDR 33,545,791 year-1ha-1 from direct use value, IDR 3,072,738 year-1ha-1 from indirect use value, and IDR 281,762 year-1ha-1 from option value. Total economic value of tembawang was rather low. The low of economic value was due to limited benefits assessed in this study. Whereas in fact, there were many benefits from tembawang obtained by the community. Conserving tembawang ecosystem will not be achieved by simply considering the conservation of species in tembawang, but the preservation will need to encompass a wide range of natural resources and the potential services provided by them.

Economic valuation of a created wetland fed with treated wastewater located in a peri-urban park in Catalonia, Spain

2011 ◽  
Vol 63 (5) ◽  
pp. 891-898 ◽  
Author(s):  
Oscar Alfranca ◽  
Joan García ◽  
Hector Varela
Keyword(s):  
Constructed Wetlands ◽  
Economic Valuation ◽  
Economic Value ◽  
Treated Wastewater ◽  
Urban Park ◽  
Created Wetland ◽  
Positive Externalities ◽  
Small Influence ◽  
Hydraulic Infrastructure ◽  
Reuse Of Treated Wastewater

The main objective of this study was to calculate the economic value (including externalities) of a created wetland located in a peri-urban park in Catalonia, Spain. The wetland, which covers an area of 1 ha, was constructed in 2003 and receives a secondary treated wastewater flow of between 100 and 250 m3/day. The externalities of the wetland were evaluated using the travel cost method. The value of the wetland is expressed in terms of the price of the water that flows through the system, which is estimated to range from 0.71 to 0.75 €/m3. The value of positive externalities (1.25 €/m3) was greater than private costs (from 0.50 to 0.54 €/m3). These results constitute empirical evidence that created wetlands in peri-urban parks can be considered to be a source of positive externalities when used in environmental restoration projects focusing on the reuse of treated wastewater. This study also illustrates 1) the small influence of the hydraulic infrastructure depreciation costs on the private costs of constructed wetlands (less than 10%), and 2) the low investment costs of constructed wetlands in comparison with operation and maintenance costs (less than 10% of total private costs).

scholarly journals Economic Value of Urban Green Space: A Travel Cost Approach for Viharamahadevi Urban Park, Sri Lanka

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
H.M.L.P. Karunarathne ◽  
U.A.D.P. Gunawardena
Keyword(s):  
Green Space ◽  
Negative Binomial ◽  
Economic Value ◽  
Travel Cost ◽  
Economic Benefits ◽  
Green Spaces ◽  
Urban Park ◽  
Urban Green ◽  
Urban Green Spaces ◽  
Recreational Value

Urban green spaces could bring cities and their inhabitants with vitality in terms of ecological, social, and economic benefits. Recognising and estimation of economic values of parks is important for their sound management and for justification of the current use over various alternative uses. Non recognition of values of the services of such green spaces may lead to unsound management and degradation resulting in depriving urban communities of those benefits. Viharamahadevi Urban Park is the oldest and largest park in Colombo which offers recreation and green space to the inhabitants and visitors of the city. The purpose of this study is to estimate the recreational value of the Park using Individual Travel Cost Method (ITCM). Visitors of Viharamahadevi Urban Park selected using purposive sampling method were interviewed with a structured questionnaire. Data on visitation frequencies, preferences for park characteristics and socio economic parameters were collected using face-to-face interviews. In order to cater for the data issues of the ITCM, a zero truncated negative binomial regression analysis was performed in estimating the demand function. Results indicate that household income and the enjoyment of the visitors significantly and positively determine the number of visits made by the people. The annual social welfare generated from the recreational value of the Viharamahadevi Park is LKR 55.7 billion. The estimated value will be able to provide significant guidance towards future park management decisions.

Does public support of urban park development stem from gentrification beliefs and attitudes?

2021 ◽  
Vol 211 ◽  
pp. 104097
Author(s):  
Lauren E. Mullenbach ◽  
Birgitta L. Baker ◽  
Andrew J. Mowen
Keyword(s):  
Public Support ◽  
Urban Park ◽  
Beliefs And Attitudes

Military Alliances and Public Support for War

2021 ◽  
Author(s):  
Michael Tomz ◽  
Jessica L P Weeks
Keyword(s):  
Public Opinion ◽  
Moral Obligation ◽  
Public Support ◽  
Fundamental Question ◽  
Military Alliances ◽  
Audience Costs ◽  
Wide Range ◽  
Willingness To Intervene ◽  
Reputational Costs

Abstract How do military alliances affect public support for war to defend victims of aggression? We offer the first experimental evidence on this fundamental question. Our experiments revealed that alliance commitments greatly increased the American public's willingness to intervene abroad. Alliances shaped public opinion by increasing public fears about the reputational costs of nonintervention and by heightening the perceived moral obligation to intervene out of concerns for fairness and loyalty. Finally, although alliances swayed public opinion across a wide range of circumstances, they made the biggest difference when the costs of intervention were high, the stakes of intervention were low, and the country needing aid was not a democracy. Thus, alliances can create pressure for war even when honoring the commitment would be extremely inconvenient, which could help explain why democratic allies tend to be so reliable. These findings shed new light on the consequences of alliances and other international legal commitments, the role of morality in foreign policy, and ongoing debates about domestic audience costs.

scholarly journals Projecting Basin-Scale Distributed Irrigation and Domestic Water Demands and Values: A Generic Method for Large-Scale Modeling

2016 ◽  
Vol 02 (04) ◽  
pp. 1650023 ◽  
Author(s):  
Noémie Neverre ◽  
Patrice Dumas
Keyword(s):  
Irrigation Water ◽  
Large Scale ◽  
Potential Evapotranspiration ◽  
Demand Curve ◽  
Economic Valuation ◽  
Economic Value ◽  
Expansion Method ◽  
Domestic Water ◽  
Water Demands ◽  
Basin Scale

This paper presents a methodology to project irrigation and domestic water demands on a regional to global scale, in terms of both quantity and economic value. Projections are distributed at the water basin scale. Irrigation water demand is projected under climate change. It is simply computed as the difference between crop potential evapotranspiration for the different stages of the growing season and available precipitation. Irrigation water economic value is based on a yield comparison approach between rainfed and irrigated crops using average yields. For the domestic sector, we project the combined effects of demographic growth, economic development and water cost evolution on future demands. The method consists in building three-part inverse demand functions in which volume limits of the blocks evolve with the level of GDP per capita. The value of water along the demand curve is determined from price-elasticity, price and demand data from the literature, using the point-expansion method, and from water cost data. This generic methodology can be easily applied to large-scale regions, in particular developing regions where reliable data are scarce. As an illustration, it is applied to Algeria, at the 2050 horizon, for demands associated to reservoirs. Our results show that domestic demand is projected to become a major water consumption sector. The methodology is meant to be integrated into large-scale hydroeconomic models, to determine inter-sectorial and inter-temporal water allocation based on economic valuation.

Poisson mixtures

1995 ◽  
Vol 1 (2) ◽  
pp. 163-190 ◽  
Author(s):  
Kenneth W. Church ◽  
William A. Gale
Keyword(s):  
Negative Binomial ◽  
Probability Distributions ◽  
Hidden Variables ◽  
Heterogeneous Structure ◽  
Text Compression ◽  
Inverse Document Frequency ◽  
Poisson Mixtures ◽  
Document Frequency ◽  
Wide Range ◽  
Better Than

AbstractShannon (1948) showed that a wide range of practical problems can be reduced to the problem of estimating probability distributions of words and ngrams in text. It has become standard practice in text compression, speech recognition, information retrieval and many other applications of Shannon's theory to introduce a “bag-of-words” assumption. But obviously, word rates vary from genre to genre, author to author, topic to topic, document to document, section to section, and paragraph to paragraph. The proposed Poisson mixture captures much of this heterogeneous structure by allowing the Poisson parameter θ to vary over documents subject to a density function φ. φ is intended to capture dependencies on hidden variables such genre, author, topic, etc. (The Negative Binomial is a well-known special case where φ is a Г distribution.) Poisson mixtures fit the data better than standard Poissons, producing more accurate estimates of the variance over documents (σ2), entropy (H), inverse document frequency (IDF), and adaptation (Pr(x ≥ 2/x ≥ 1)).

The French in Egypt in 1798—1801: Failed Dialogue of Civilizations

Istoriya ◽  
2021 ◽  
Vol 12 (7 (105)) ◽  
pp. 0
Author(s):  
Alexandre Tchoudinov
Keyword(s):  
French Literature ◽  
Local Population ◽  
Cross Cultural ◽  
Cultural Interaction ◽  
French Army ◽  
Muslim Population ◽  
Napoleon Bonaparte ◽  
The Enlightenment ◽  
Wide Range ◽  
Complete Failure

The article is devoted to the problem of cross-cultural interaction between the French and the Arabs during the Egyptian expedition of Napoleon Bonaparte 1798—1801. Using a comparative analysis of a wide range of French sources and Arab chronicles, the author comes to the conclusion that Bonaparte's attempt at an inter-civilizational dialogue with the Muslim population of Egypt ended in complete failure. Based on the stereotypical ideas about the Orient, common in the French literature of the Enlightenment, Napoleon tried to play in Egypt the same role that, according to the French philosophers, the Prophet Muhammad allegedly played in his time, namely, to take advantage of the “credulity” and “superstition” of the local population to subordinate it to his power. However, the Egyptians were very skeptical concerning Bonaparte's claims about the French army's commitment to Islam and his attempts to present himself as the Mahdi, the prophet of the last times. The daily practices of the occupiers, which openly contradicted the culture of Islam, completely alienated the Muslims from the French, which resulted not only in their mutual misunderstanding, but also in real hatred for each other.

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