Search results

Although Google had a stellar performance in Web search, many of its other services, such as Google Video, were less successful. This case describes how YouTube came to dominate the video market for user-generated content (UGC), while Google Video tried various entry strategies and ultimately failed, ending with the acquisition of YouTube. It also reviews the various competitors in the UGC market, chronicles the entry of established and new players in the area of professionally generated content (PGC), and outlines the key challenges related to monetizing the acquisition of YouTube for Google.

The case discusses when and how to enter winner-take-all markets characterized by very strong network externalities. It focuses on the strategies of new entrants vs. those of incumbents in adjacent industries that seek to leverage their resources and skills. Further, it sheds light on how new industries are created, how convergence is changing competitive forces, how important it is to be a first or late mover in new markets, and how successful entrants may struggle to achieve profitability.

The impact of e‐business on export management companies (EMCs) has been debated for some time and several reasons for their survival have been forwarded. Based upon the resource‐based perspective of the firm, this study provides a far more fundamental reason for the survival of the well‐established EMCs‐their market‐based assets. Furthermore, this study analyzes the impact of e‐business proliferation on the well‐established EMCs transaction creating and physical fulfillment exporting services and their efficiency and effectiveness.

This essay explores evolutionary and competence‐based theories of the firm. Evolutionary theories can be regarded as a subset of a wider class of theories, variously described as “capabilities”, “resource‐based”, or “competence‐based” theories of the firm. These contrast with a different set of contractarian theories, emanating largely from the work of Coase. It is argued that the contractarian theories of the firm misleadingly assume given individuals thus neglecting processes of individual learning and transformation. Similarly underestimated is importance of technology and the persistence of variety in firm structure and performance. The genesis of the alternative, competence‐based approach is outlined, including the important subset of “evolutionary” approaches of the Nelson‐Winter type. The paper concludes with a discussion of the relevance of the competence‐based approach to strategic management.

The paper aims to investigate the structure and thermal stability of newly developed lead-free Sn-based alloys which can be used as novel materials in the soldering of electronic components.

Rapid solidification was used to prepare the alloys.

The results showed that the microstructure of these solders exhibited uniform distribution and small-sized intermetallic compounds. Also, smaller crystalline size can be expected compared to commercially available counterparts. The analyses revealed a uniform and homogenous distribution of the small intermetallic particles of Cu₆Sn₅ and Ag₄Sn in the microstructure of solders. The practical implications mean an improvement in mechanical properties and thermal stability of such solder joints, which is a precondition of low mechanical, thermo-mechanical stresses in their structure.

The originality lies in the production of these alloys by the melt spinning technique which was not previously used in the electronics industry.

The purpose of this paper is to clarify the relationship between the use of different polymer matrices for the preparation of composite materials, namely, polyethylene terephthalate-glycol (PET-G) and polyamide (PA), using Composite Fiber Co-Extrusion technology with the application of two types of carbon fibers, short and continuous. The aim of the study is also to extend the knowledge of the production of composite materials with a defined structure from the point of view of their influence on the microstructure and their physical-mechanical properties.

As part of the experiment, four types of samples were prepared, namely, two types of samples with PA polymer matrix and two types with PET-G polymer matrix. All types contained short carbon fibers and always one set from each polymer matrix in addition to continuous carbon fibers. All types were prepared using the same 3D printing parameters to avoid any further influence. The samples were then tested for microstructure using microCT, mechanical properties using a tensile test and dilatation characteristics from the point of view of aerospace applications. Finally, the raw materials themselves were tested.

The paper provides insight into the influence of polymer matrix types on the physico-mechanical properties of 3D printed composites. The analysis confirmed that the physico-mechanical results varied with respect to the interface between the polymer matrix and the carbon fiber. The implications of the conclusions can be extended to the development of products in the aerospace and automotive sectors.

This study provides information for composite applications in the aerospace industry, focusing on evaluating dilatation characteristics within very low temperatures (−60 °C) when using carbon fibers (continuous carbon fibers, short carbon fibers and a combination of both) in two types of thermoplastic matrices. This perspective on materials characterisation for aerospace applications is a very important and unpublished approach within the 3D printing of composites. These characteristics are important parameters in the design of prototypes and functional samples with regard to the resulting behaviour in real conditions.

This paper aims to present parametric models to estimate the environmental footprint of the selective laser sintering (SLS)’ production phase, covering energy and resource consumption as well as process emissions. Additive manufacturing processes such as (SLS) are often considered to be more sustainable then conventional manufacturing methods. However, quantitative analyses of the environmental impact of these processes are still limited and mainly focus on energy consumption.

The required Life Cycle Inventory data are collected using the CO2PE! – Methodology, including time, power, consumables and emission studies. Multiple linear regression analyses have been applied to investigate the interrelationships between product design features on the one hand and production time (energy and resource consumption) on the other hand.

The proposed parametric process models provide accurate estimations of the environmental footprint of SLS processes based on two design features, build height and volume, and help to identify and quantify measures for significant impact reduction of both involved products and the supporting machine tools.

The gained environmental insight can be used as input for ecodesign activities, as well as environmental comparison of alternative manufacturing process plans.

This article aims to overcome the current lack of environmental impact models, covering energy and resource consumption as well as process emissions for SLS processes.