Committee Parliamentary Specialization Index. Explaining MPs’ specialisation in the Spanish Congreso de los Diputados*

ABSTRACT

Nowadays legislatures are largely based on committee systems. This enables a division of work and specialisation, in the context of highly complex politics and policy development. It seems clear that MP specialisation in the field of the committee they serve on is an important political asset, both for MPs and their parliamentary party group. This paper presents the Committee Parliamentary Specialization Index. This index measures the degree an MP is specialised in the jurisdiction of the committee they serve on. In the second part of the paper, the index is applied to the Spanish Congreso de los Diputados, an interesting case for testing this multi-faceted index, to find institutional, political and individual factors that better explain the degree of MP specialisation.     

Organized crime, the militarization of public security, and the debate on the “new” police model in Mexico

After the recognition in Mexico of a situation characterized by violence involving both non-state actors (mainly drug lords) and the state apparatus, the present research critically analyzes both the national security strategy adopted by President Felipe Calderón Hinojosa (2006–2012), which is based on the process of the militarization of public security, as well as the “new” police model proposed by the executive power that seeks to professionalize law enforcement agencies.     

Creating flows of interpersonal bits: the automation of the London Stock Exchange,c. 1955–90

Abstract

This article deals with the concept of market information. In particular, it argues that references to the so-called conduit metaphor, which represents markets as a series of information flows, hide the localized, historically contingent and materially mediated practices of the economy. Following the tradition of the performative theory of social institutions, this article argues that the specific meaning of ‘market information’ and its concrete manifestations (e.g. prices) depend on the sociotechnical character of the calculative practices through which market participants orient their economic actions. The point is illustrated through a historical reconstruction of the introduction of price and quote dissemination technologies in the London Stock Exchange between 1955 and 1990. By highlighting the historical and technological contingency of prices, the case of the London Stock Exchange shows that it is impossible to provide a universally and temporally invariant definition of market information.     

Issue convergence or issue divergence in a political campaign?

In this article, a two-party contest where candidates allocate their campaign resources strategically between two salient issues is studied. The analysis aims to determine the circumstances under which there is issue convergence (both parties emphasizing the same issue) or issue divergence (different parties emphasizing different issues) during a political campaign. For this purpose, the concepts of a party’s absolute and comparative advantage are used. A party has an absolute advantage on an issue if a majority of voters prefer its position on this issue to that of its opponent. A party has a comparative advantage on an issue if the percentage of votes that it would obtain if voters cared only about that issue is larger than those that it would obtain if voters cared only about the other issue. It is shown here that issue convergence can occur only if one of the parties has an absolute advantage on both issues, but its comparative advantage is not too large. Otherwise, there will be issue divergence in the political campaign.     

From House to Home: Strategic Bill Drafting in Multilevel Systems with Non-static Ambition

How do legislators behave in systems where pursuit of re-election is not the rule, and ambition is channelled through multiple levels of government? Is their legislative behaviour biased towards their immediate career goals? In this paper, the Argentine case is analysed in order to explore the link between political ambition and legislative performance in a multilevel setting where politicians have subnational executive positions as priorities, rather than stable legislative careerism. The piece demonstrates that legislators seeking mayoral positions tend to submit more district-level legislation than their peers. This finding contributes to the knowledge of strategic behaviour in multilevel settings, and provides non-US-based evidence regarding the use of non-roll call position-taking devices.     

Real-time PCR designs to estimate nuclear and mitochondrial DNA copy number in forensic and ancient DNA studies

We explore different designs to estimate both nuclear and mitochondrial human DNA (mtDNA) content based on the detection of the 5' nuclease activity of the Taq DNA polymerase using fluorogenic probes and a real-time quantitative PCR detection system. Human mtDNA quantification was accomplished by monitoring the real-time progress of the PCR-amplification of two different fragment sizes (113 and 287 bp) within the hypervariable region I (HV1) of the mtDNA control region, using two fluorogenic probes to specifically determine the mtDNA copy of each fragment size category. This mtDNA real-time PCR design has been used to assess the mtDNA preservation (copy number and degradation state) of DNA samples retrieved from 500 to 1500 years old human remains that showed low copy number and highly degraded mtDNA. The quantification of nuclear DNA was achieved by real-time PCR of a segment of the X-Y homologous amelogenin (AMG) gene that allowed the simultaneous estimation of a Y-specific fragment (AMGY: 112 bp) and a X-specific fragment (AMGX: 106 bp) making possible not only haploid or diploid DNA quantitation but also sex determination. The AMG real-time PCR design has been used to quantify a set of 57 DNA samples from 4-5 years old forensic bone remains with improved sensitivity compared with the slot-blot hybridization method. The potential utility of this technology to improve the quality of some PCR-based forensic and ancient DNA studies (microsatellite typing and mtDNA sequencing) is discussed.