Defining family business: a closer look at definitional heterogeneity

Researchers have used a myriad of different definitions in seeking to explain the heterogeneity of family firms and their unique behavior; however, no widely-accepted definition exists today. Definitional clarity in any field is essential to provide (a) the basis for the analysis of performance both spatially and temporally and (b) the foundation upon which theories, frameworks and models are developed. We provide a comprehensive analysis of prior research and identify and classify 82 definitions of family business. We then review and evaluate five key theoretical perspectives in family business to identify how these have shaped and informed the definitions employed in the field and duly explain family firm heterogeneity. Finally, we provide a conceptual diagram to inform the choice of definition in different research settings

Magnon-spinon dichotomy in the Kitaev hyperhoneycomb β-Li2IrO3

The family of edge-sharing tricoordinated iridates and ruthenates has emerged in recent years as a major platform for Kitaev spin-liquid physics, where spins fractionalize into emergent magnetic fluxes and Majorana fermions with Dirac-like dispersions. While such exotic states are usually preempted by long-range magnetic order at low temperatures, signatures of Majorana fermions with long coherent times have been predicted to manifest at intermediate and higher energy scales, similar to the observation of spinons in quasi-one-dimensional spin chains. Here we present a resonant inelastic X-ray scattering study of the magnetic excitations of the hyperhoneycomb iridate β-Li2IrO3 under a magnetic field with a record-high-resolution spectrometer. At low temperatures, dispersing spin waves can be resolved around the predicted intertwined incommensurate spiral and field-induced zigzag orders, whose excitation energy reaches a maximum of 16 meV. A 2 T magnetic field softens the dispersion around Q=0. The behavior of the spin waves under magnetic field is consistent with our semiclassical calculations for the ground state and the dynamical spin structure factor, which further predicts that the ensued intertwined uniform states remain robust up to very high fields (100 T). Most saliently, the low-energy magnonlike mode is superimposed by a broad continuum of excitations, centered around 35 meV and extending up to 100 meV. This high-energy continuum survives up to at least 300 K-well above the ordering temperature of 38 K- A nd gives evidence for pairs of long-lived Majorana fermions of the proximate Kitaev spin liquid

Women in Turkish family businesses: drivers, contributions and challenges

The number and importance of women in family businesses have increased in the recent years. This is reflected in the growing academic and practitioner interest in the topic. In this paper, we have explored the role of women in family business in the context of Turkey by examining the key drivers for their active involvement, their contribution and the challenges they face. The conceptual framework of the article presents key drivers and challenges identified in the extant literature and introduces additional angles on the problematisation of the topic, mainly issues of succession, conflict and balance of work-life relationships. Drawing on empirical material collected through semi-structured interviews with participant Turkish women, we have highlighted importance of cultural dynamics in analysing drivers, contributions and challenges