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Javier Parra | Digital economy and finance

Economics, accounting, finance and digital transformation for a global world, because economics is a means, not an end. Passionate about numbers and all the sciences that study them.

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Statistical and graphical analysis: univariate analysis

Statistical and graphical analysis: univariate analysis

18 February, 202123 April, 2021 by Javier Parra
Javier Parra
535
When we talk about univariate analysis, we will normally find elements such as: Histograms.Percentiles: The percentile (or centile) is the value of the variable below which a certain percentage of observations fall; for example, the 20th percentile is the value (or score) below which 20 per cent of the observations…
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Introduction to econometrics. Economic modelling

Introduction to econometrics. Economic modelling

15 February, 202123 April, 2021 by Javier Parra
Javier Parra
440
Before talking about economic modelling, it is necessary to understand what an econometric model is. Econometrics cannot explain perfectly the phenomena that occur in simple words. The best we can do is to use models, i.e. simplified representations of real phenomena. Economic modelling Where ω is the (logarithmic) wage, x…
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Introduction to Econometrics - Essential Mathematics and Statistics

Introduction to econometrics. Essential mathematics and statistics

11 February, 202123 April, 2021 by Javier Parra
Javier Parra
598
To talk about an introduction to econometrics, it is necessary to establish the mathematical and statistical foundations to understand it. Starting from the summation: Econometric summation The symbol Σ is the Greek capital letter sigma and means "the sum of".The letter i is called the summation index; this letter is arbitrary and…
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Introduction to econometrics. Concept

Introduction to econometrics. Concept

17 August, 202020 April, 2021 by Javier Parra
Javier Parra
496
Many economists attribute the origin of the term econometrics to Ragnar Frisch, who was one of the winners of the Nobel Prize in Economics in 1969 together with economist Jan Tinbergen, as well as one of the founders of The Econometric Society in 1933. What is econometrics? Before defining what…
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Introduction to statistics. Conceptual framework

Introduction to statistics. Conceptual framework

7 August, 202023 April, 2021 by Javier Parra
Javier Parra
569
Scientific research is a concrete process that seeks to provide solutions to problems ranging from every day to the scientific level, which is why universality and objectivity must be its highest priority. It is not strange that the researcher can often encounter moments of uncertainty where he depends to a…
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About the blog

Javier Parra’s  blog. dedicated to the economy and digital transformations. “The economy as a means and not an end” is the philosophy that lies in each of the entries, news or comments made here.

Aware of the importance that #DigitalTransformation has nowadays in the different forms of economic and social organisation, the blog aims to transmit all the knowledge about the current transformation process.

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