Holding the Shop Together: German Industrial Relations in the Postwar Era

[Excerpt] Since the onset of the global financial crisis in late 2008 there has been a boom in positive assessments of the German economy. Little wonder. Remarkably, Germany has managed to bring down unemployment to more than one percentage point below the precrisis level and to maintain a current account surplus equivalent to 5 percent of its gross domestic product. This is not the first time that Germany\u27s stock has ridden high. German economic institutions received praise for the economic miracle of the late 1950s and early 1960s, the model Germany economy that weathered the oil shocks comparatively well during the 1970s, and the export world champion economy of the mid-1980s. At other times, however, academics and journalists have been bearish on Germany. High unemployment dogged the German economy for a quarter century, starting in the early 1980s. From the mid-1990s to the mid-2000s, Germany was generally dismissed as the economic sick man of Europe. These oscillating appraisals of the German economy raise two questions: Does the current positive assessment of German economic institutions reflect something real, or is it just another speculative bubble? And, what is it about German economic institutions that has drawn the attention of so many over the years? In this book I address these questions by examining a key pillar of the postwar German economy, namely, the industrial relations system

Valuing School Quality Using Boundary Discontinuities

Existing research shows that house prices respond to local school quality as measured by average test scores. However, higher test scores could signal better quality teaching and academic value-added, or higher ability, sought-after intakes. In our research, we show decisively that value-added drives households' demand for good schooling. However, prior achievement - linked to the background of children in school - also matters. In order to identify these effects, we improve the boundary discontinuity regression methodology by matching identical properties across admissions authority boundaries; by allowing for boundary effects and spatial trends; by re-weighting our data towards transactions that are closest to district boundaries; by eliminating boundaries that coincide with major geographical features; and by submitting our estimates to a number of novel falsification tests. Our results survive this battery of experiments and show that a one-standard deviation change in either school average value-added or prior achievement raises prices by around 3%.House prices, school quality, boundary discontinuities

New technology in schools: is there a payoff?.

Economists have typically been sceptical that computers improve educational outcomes. But research by Stephen Machin, Sandra McNally and Olmo Silva finds evidence that new technology can have a positive effect on pupils' performance.

Do Neighbours Affect Teenage Outcomes? Evidence from Neighbourhood Changes in England

In this paper, we use census data on several cohorts of secondary school students in England matched to detailed information on place of residence to investigate the effect of neighbours' background characteristics and prior achievements on teenagers' educational and behavioural outcomes. Our analysis focuses on the age-11 to age-16 time-lapse, and uses variation in neighbourhood composition over this period that is driven by residential mobility. Exploiting the longitudinal nature and detail of our data, we are able to control for pupil unobserved characteristics, neighbourhood fixed-effects and time-trends, school-by-cohort unobservables, as well as students' observable attributes and prior attainments. Our results provide little evidence that neighbours' characteristics significantly affect pupil test score progression during secondary education. Similarly, we find that neighbourhood composition only exerts a small effect on pupil behavioural outcomes, such as general attitudes towards schooling, substance use and anti-social behaviour.Neighbourhood effects, cognitive and non-cognitive outcomes, secondary schools

New Technology in Schools: Is There a Payoff?

information and communication technology (ICT), pupil achievement

A proof of the conjecture of Cohen and Mullen on sums of primitive roots

We prove that for all $q>61$, every non-zero element in the finite field $\mathbb{F}_{q}$ can be written as a linear combination of two primitive roots of $\mathbb{F}_{q}$. This resolves a conjecture posed by Cohen and Mullen.Comment: 8 pages; to appear in Mathematics of Computatio

On Grosswald's conjecture on primitive roots

Grosswald's conjecture is that $g(p)$, the least primitive root modulo $p$, satisfies $g(p) \leq \sqrt{p} - 2$ for all $p>409$. We make progress towards this conjecture by proving that $g(p) \leq \sqrt{p} -2$ for all $409<p< 2.5\times 10^{15}$ and for all $p>3.67\times 10^{71}$.Comment: 7 page

On consecutive primitive elements in a finite field

For $q$ an odd prime power with $q>169$ we prove that there are always three consecutive primitive elements in the finite field $\mathbb{F}_{q}$. Indeed, there are precisely eleven values of $q \leq 169$ for which this is false. For $4\leq n \leq 8$ we present conjectures on the size of $q_{0}(n)$ such that $q>q_{0}(n)$ guarantees the existence of $n$ consecutive primitive elements in $\mathbb{F}_{q}$, provided that $\mathbb{F}_{q}$ has characteristic at least~$n$. Finally, we improve the upper bound on $q_{0}(n)$ for all $n\geq 3$.Comment: 10 pages, 2 table

Amalgams of inverse semigroups and reversible two-counter machines

We show that the word problem for an amalgam $[S_1,S_2;U,\omega_1,\omega_2]$ of inverse semigroups may be undecidable even if we assume $S_1$ and $S_2$ (and therefore $U$) to have finite $\mathcal{R}$-classes and $\omega_1,\omega_2$ to be computable functions, interrupting a series of positive decidability results on the subject. This is achieved by encoding into an appropriate amalgam of inverse semigroups 2-counter machines with sufficient universality, and relating the nature of certain \sch graphs to sequences of computations in the machine