Virtanen, Ilkka

name

• Virtanen, Ilkka

Authored works

• Application of supplementary variables and discrete transforms in availability and reliability analysis of a parallel redundant system with general failure and repair time distributions
• Kumulatiivisten todennäköisyyksien yksisuuntaiset Chebyshev-tyyppiset rajat eräiden yleisten jakaumaperheiden tapauksessa : One-sided bounds of the Tchebycheff type for some general classes of distributions
• Monikomponenttisen stokastisesti vioittuvan systeemin käyttäytymisestä ja luotettavuudesta
• On the concepts and derivation of reliability in stochastic systems with states of reduced efficiency : an application of supplementary variables and discrete transforms
• Optimal maintenance policy and sale date for a machine with random deterioration and subject to random catastrophic failure
• Yliopistojen kolmas tehtävä

Works contributed to

• A measure of overall statistical dependence based on the entropy concept
• Deriving the internal rate of return from the accountant's rate of return : a simulation testbench
• Economic value added : a simulation analysis of the trendy, owner-oriented management tool
• Entropia homogeenisuusindeksinä ryhmittelyanalyysissä : Entropy as a measure of homogeneity in categorical grouping analysis
• Entropy correlation coefficient, a measure of statistical dependence for categorized data
• Internal rate of return and roi as profitability indicators in investment analysis
• Kunnossapito
• Leasingrahoituksen kannattavuus inflaatio-olosuhteissa
• Measuring the long-run profitability of the firm : a simulation evaluation of the financial statement based IRR estimation methods
• Modelling a financial ratio system on the economy-wide level
• On the classification of financial ratios : a factor and transformation analysis of accural, clash flow, and market-based ratios
• On the long-term stability and cross-country similarity of the factor patterns in the arbitrage pricing model
• On the stability of the classification of financial rations : an application of factor and transformation analysis
• Opetusministeriön asettamien selvitysmiesten Itä- ja Pohjois-Suomen kauppatieteiden yhteistyöverkostoja koskevan arviointi- ja selvitystyön loppuraportti
• Poistojen riittävyys inflaatio-olosuhteissa
• Sisäinen korko ja ROI investointikriteerinä
• Studies in honour of Pentti Ensio Malaska on the occasion of his fiftieth birthday, April 11, 1984
• Transformation analysis applied to long-term stability and structural invariance of final ratio patterns : U.S. vs. Finnish firms

Works about Virtanen, Ilkka

• Contributions to management science, mathematics and modelling : essays in honour of professor Ilkka Virtanen