Abstract
This paper proposes an empirical analysis of Spanish court performance using the economic approach. An econometric model will be estimated in order to answer two basic questions: (1) why some courts’ output it is greater than others? (2) Could courts produce a higher output using their actual resources? In addition it will be determine, by means of an analysis of variance (ANOVA), whether courts showing higher than average output have dictated resolutions with a higher reversal rate.
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Notes
Since the seminal work of North (1990), it is well known that markets functioning and economic development depend in a considerable extent, on the quality, effectiveness and efficiency of the legal and judicial institutions, their design and performance.
See “Ley Orgánica 19/2003, de 23 de diciembre, de modificación de la Ley Orgánica 6/1985, de 1 de julio del Poder Judicial.” It was published in the BOE No 309. December 26, 2003.
See Toharia (2003). The rate of congestion in 2006 was 1.6 (in the civil jurisdiction, the one in we will focus in this paper).
This problem is well explained by the Law and Economics approach. In section two a brief review of the relevant literature will be presented.
“The courts are in many ways typical of public service production units. The courts are mainly organized in small units with 5–15 employees, although some city courts are substantially larger. The products are numerous and heterogeneous, and each unit has been assigned the task of satisfying demand for judicial services from a defined geographical area without the use of market prices.” Kittelsen and Forsund (1992).
See Pastor (2003a).
In the absence of data produced by their own judicial systems of each country, researchers in many have had to develop surveys to key players (judges, lawyers, consumers of justice) to build indicators for assessing the performance in different court countries. See among others, Buscaglia and Ulen (1997), Buscaglia and Dakolias (1999), Dietrich (2000) and Djankov et al. (2001). For more detail on the importance of data in the evaluation of judicial performance, see. For a guide to build performance indicators, see Pastor and Maspons (2003, 2004).
See Levitt and Joyce (1988).
For goods produced by the public sector, there is what Levitt and Joyce (1988) have called “final outputs” that are nothing more than the “social consequences”. According to the authors, in practice, the final output is difficult to measure; therefore it is necessary to take the “intermediate outputs”. In this case, justice is the final output of the trial; however, it can be measured from intermediate outputs, such as number of sentences + number of warrants.
Much of the literature on the measurement of efficiency in the public sector has its origins in the work of Farrell (1957) “The measurement of productive efficiency.” To Färe et al. (1994), the first to develop a rigorous analytical approach for measuring the efficiency were Koopmans (1951) and Debreu (1951). For more details on the concept of productive efficiency see Schmidt (1985–1986).
However, Buscaglia and Ulen (1997) found that the effect of a higher spending on Justice on judicial efficiency is not necessarily positive. This is because more resources could increase the demand of justice and thus the number of cases filed into the system. The same result was obtained by Rosales-López (2007) when assessing the effect of the New Code of Civil Procedure in Spain on the judicial output.
Unfortunately the system does not produce data such as the duration of the court proceedings, the cost of each procedure, the judge's years of experience and education, the time he or she spends in administrative and jurisdictional tasks and the technology available by court -to mention just some variables that might have explanatory power-. To obtain these data was out of the reach of this research.
We will not get into the controversy between the use of econometric techniques and no parametric techniques (such Data Enveloped Analysis—DEA) to evaluate the efficiency of productive units. Following Levitt and Joyce (1988) we decided to evaluate the relative performance of courts (that implies we will not evaluate the court’s productive efficiency.) We will evaluate the court’s performance based on the expected performance and not on the best observed performance. In this case there is no controversy for the use of econometric models. For more details, see among others, Schmidt (1985–1986), Lovell and Schmidt (1988), Smith (1990). Another methodology recently applied to compare the costs of justice organizations is the panel data; see for example Stephen (2005).
There are a total of 65 civil first instance court without family cases “juzgados de primera instancia de lo civil” in the Region of Andalusia. We dropped four of them because they are functioning at the same time as a Civil Register Office.
Where “court’s output” = sentences + warrants. And this paper refers to level of product, output or resolutions indifferently.
Where workload = filled cases + pending cases.
For details about this variable see Table 2 in the next section.
We find consistent results for a sample of 202 first instance and instruction courts from the Region of Andalusia.
For details see Appendix 1.
Where reversal rate it is a variable that measures the percentage of resolutions (only sentence + warrants dictated in the first instance) totally reversed by the second instance. For more details on the reversal rate use in this analysis see Appendix 2.
Table 5 shows the basic statistics for both groups.
We decided to eliminate of the sample court # 54 because it was an outlier.
For details see Appendix 3.
Reversal rate = [warrants + sentences totally reversed by the second instance) ÷ total of sentence + warrants dictated in the first instance] by court.
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Acknowledgements
The Ministry of Education of Spain (through FPU program) provided financial support for this research. I appreciate the comments made by Santos Pastor, Rosa Bendala, Ricardo García, Sabela Oubiña, Pedro Francés, Jesús Robledo and two anonymous reviewers. Different versions of this paper were presented in the VIII Applied Economics Meeting in Spain, in the 23rd European Association of Law and Economics Conference and in the 11th International Society for New Institutional Economics Annual Conference, where I received valuable comments.
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Appendices
Originally the model was fitted with the variables named in spanish, for this paper we traduced then as follow: resol = resol; perjud = judstaff; carga = workload; rfzo = reinf; servcom = cps; rotjuez = judturn.
Where desempenho = performance and tasarevoc = reversal rate.
Appendix 1
Originally the model was fitted with the variables named in spanish, for this paper we traduced then as follow: resol = resol; perjud = judstaff; carga = workload; rfzo = reinf; servcom = cps; rotjuez = judturn.
Multiple regression analysis | |||||
---|---|---|---|---|---|
Dependent variable: log(resol) | |||||
Parameter | Estimate | Standard error | t-Statistic | p-Value | |
Constant | 2.2771 | 0.717461 | 3.17382 | 0.0025 | |
log(perjud) | 0.625681 | 0.321179 | 1.94807 | 0.0565 | |
log(carga) | 0.308864 | 0.123584 | 2.49922 | 0.0155 | |
refzo | 0.132708 | 0.0615228 | 2.15706 | 0.0354 | |
servcom | 0.542555 | 0.129795 | 4.18009 | 0.0001 | |
rotjuez | −0.171155 | 0.0721363 | −2.37266 | 0.0212 |
Analysis of variance | |||||
---|---|---|---|---|---|
Source | Sum of squares | df | Mean square | F-ratio | p-Value |
Model | 2.20507 | 5 | 0.441014 | 15.15 | 0.0000 |
Residual | 1.60113 | 55 | 0.0291115 | ||
Total (Corr.) | 3.8062 | 60 |
Appendix 2: Reversal rate
It is a variable that measures the percentage of resolutions (only sentence + warrants dictated in the first instance) totally reversed by the second instance.Footnote 41 The data used in this section comes from the General Council of the Judiciary of Spain. Table 6 shows the basic statistics for the reversal rate by court.
During the 2002, an average of 3.44% of court’s resolutions was reversed. 3.44 stands low in the sample distribution. Table 7 shows the rate of reversal by court.
Appendix 3: Analysis of variance
Where desempenho = performance and tasarevoc = reversal rate.
Before testing the Hypothesis in section 5, we must know if the variable “reversal rate” is normal and has a constant variance. Table 8 shows the summary statistics, and as while the “standard skewness” than “standard kurtosis” was between −2 and +2, the reversal rate’s distribution is normal. Table 9 shows a test based on the F distribution Fischer-Snedecor (where the Ho: “the standard deviation it is equal in both groups”) we obtain a p value > 0.05 and there is not significant difference between the standard deviation of the two groups. Table 10 shows the Analysis of Variance (ANOVA).
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Rosales-López, V. Economics of court performance: an empirical analysis. Eur J Law Econ 25, 231–251 (2008). https://doi.org/10.1007/s10657-008-9047-9
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DOI: https://doi.org/10.1007/s10657-008-9047-9