scholarly journals Market and Liquidity Risks Using Transaction-by-Transaction Information

Mathematics ◽  
2021 ◽  
Vol 9 (14) ◽  
pp. 1678
Author(s):  
Mariano González-Sánchez ◽  
Eva M. Ibáñez Jiménez ◽  
Ana I. Segovia San Juan

The usual measures of market risk are based on the axiom of positive homogeneity while neglecting an important element of market information—liquidity. To analyze the effects of this omission, in the present study, we define the behavior of prices and volume via stochastic processes subordinated to the time elapsing between two consecutive transactions in the market. Using simulated data and market data from companies of different sizes and capitalization levels, we compare the results of measuring risk using prices compared to using both prices and volumes. The results indicate that traditional measures of market risk behave inversely to the degree of liquidity of the asset, thereby underestimating the risk of liquid assets and overestimating the risk of less liquid assets.

JURNAL WIDYA ◽  
2021 ◽  
Vol 2 (2) ◽  
pp. 210-220
Author(s):  
Elsa Fitri Surya

One of the jobs is Appraisal Service, whice is determined by this fee is fixed costs such as : land, buildings, vehicles, machinery, and other buildings. In this report, one of which requires information as information as management and producing reports, in KJPP Rija Husaeni and Partners, the published production reports are recapitulated by the admin as market information data, currently market data information is recapitulated by the admin division in the form of The data entered is based on published report numbers and has not been grouped based on the area’s land market zone to make it easier if there are employees of KJPP Rija Husaeni and Partners who need information about the area’s land market zone. On the basis of identifying the problems described above, a data processing process using a data mining technique is required. The data mining technique used in this research is clustering with the K-Means algorithm to determine the land market zone in the KJPP Rija Husaeni and Partners assessment.


2018 ◽  
Vol 38 (1) ◽  
pp. 1-26
Author(s):  
Frédéric Proïa

We tackle the stationarity issue of an autoregressive path with a polynomial trend, and generalize some aspects of the LMC test, the testing procedure of Leybourne and McCabe. First, we show that it is possible to get the asymptotic distribution of the test statistic under the null hypothesis of trend-stationarity as well as under the alternative of nonstationarity for any polynomial trend of order r. Then, we explain the reason why the LMC test, and by extension the KPSS test, does not reject the null hypothesis of trend-stationarity, mistakenly, when the random walk is generated by a unit root located at −1.We also observe it on simulated data and correct the procedure. Finally, we describe some useful stochastic processes that appear in our limiting distributions.


2004 ◽  
Vol 07 (02) ◽  
pp. 101-120 ◽  
Author(s):  
MARTIN BARLOW ◽  
YURI GUSEV ◽  
MANPO LAI

Spot prices of electricity and other energy commodities are often modeled by multifactor stochastic processes. This poses a problem of estimating models' parameters based on historical data, i.e. calibrating them to markets. Here we show how a traditional tool of Kalman Filters can be successfuly applied to do this task. We study two mean-reverting log-spot price models and the Pilipovic model using correspondingly Kalman Filter the extended Kalman Filter. The results of applying this method to market data from several power exchanges are discussed.


2017 ◽  
Vol 35 (4) ◽  
pp. 448-466
Author(s):  
Kwasi Gyau Baffour Awuah ◽  
Frank Gyamfi-Yeboah ◽  
David Proverbs ◽  
Jessica Elizabeth Lamond

Purpose Adequate reliable property market data are critical to the production of professional and ethical valuations as well as better real estate transaction decision-making. However, the availability of reliable property market information represents a major barrier to improving valuation practices in Ghana and it is regarded as a key challenge. The purpose of this paper is to investigate the sources and reliability of property market information for valuation practice in Ghana. The aim is to provide input into initiatives to address the availability of reliable property market data challenges. Design/methodology/approach A mixed methods research approach is used. The study, thus, relies on a combination of a systematic identification and review of literature, a stakeholder workshop and a questionnaire survey of real estate valuers in Accra, Ghana’s capital city to obtain requisite data to address the aim. Findings The study identifies seven property market data sources used by valuers to obtain market data for valuation practice. These are: valuers own database; public institutions; professional colleagues; property owners; estate developers; estate agents; and the media. However, access to property market information for valuations is a challenge although valuers would like to use reliable market data for their valuations. This is due to incomplete and scattered nature of data often borne out of administrative lapses; non-disclosure of details of property transactions due to confidentiality arrangements and the quest to evade taxes; data integrity concerns; and lack of requisite training and experience especially for estate agents to collect and manage market data. Although professional colleagues is the most used market data source, valuers own databases, was regarded as the most reliable source compared to the media, which was considered as the least reliable source. Research limitations/implications Findings from the study imply a need for the development of a systematic approach to property market data collection and management. This will require practitioners to demonstrate care, consciousness and a set of data collection skills suggesting a need for valuers and estate agents to undergo regular relevant training to develop and enhance their knowledge, skills and capabilities. The establishment of a property market databank to help in the provision of reliable market data along with a suitable market data collection template to ensure effective and efficient data collection are considered essential steps. Originality/value The study makes a significant contribution to the extant knowledge by providing empirical evidence on the frequency of use and the reliability of the various sources of market data. It also provides useful insights for regulators such as the Ghana Institution of Surveyors (GhIS), the Royal Institution of Chartered Surveyors (RICS) and other stakeholders such as the Commonwealth Association of Surveying and Land Economy (CASLE) and the Government to improve the provision of reliable property market information towards developing valuation practice not only in Ghana, but across the Sub-Saharan Africa Region. Also, based on these findings, the study proposes a new property market data collection template and guidelines towards improving the collection of effective property market data. Upon refinement, these could aid valuation practitioners to collect reliable property market data to improve valuation practice.


2014 ◽  
Vol 11 (1) ◽  
pp. 11-22 ◽  
Author(s):  
Jonathan Chaloff

The growing complexity of selection criteria for discretionary labour migration in OECD countries has been accompanied by an expanded demand for labour market analysis and consultation with stakeholders. While some features of general or detailed criteria may be fixed in legislation, numerical quotas or targets, shortage lists, and multiple-criteria points-based systems are generally subject to periodic review and revision based on labour market data and consultation with stakeholders. Official government bodies have maintained co-ordination of this process, with varying degrees of externalization. In most countries expertise is internal, with recourse to external mandated bodies rare. In almost all cases, however, the process is designed to promote consensus around the policy while maintaining political control.


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