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  • 1995-1999  (3)
  • development  (2)
  • Hemisarcoptes  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Saving, dependency and development (1996)
    Springer
    Journal of population economics 9 (1996), S. 365-386 
    Details
    ISSN: 1432-1475
    Keywords: J11 ; O15 ; O16 ; Population growth ; saving ; development
    Source: Springer Online Journal Archives 1860-2000
    Topics: Sociology , Economics
    Notes: Abstract The widely-observed finding in the literature showing little or no relationship between population growth (and dependency) and saving requires modification based on panel and cross-section estimation of aggregate country data. While such a relationship is still weak in the hybrid Leff-type model, it is now found consistently over time and by stage of development in the Mason variable-growth life-cycle framework, where changes in demographic factors account for a notable part of saving.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00573070
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Saving, dependency and development (1996)
    Springer
    Journal of population economics 9 (1996), S. 365-386 
    Details
    ISSN: 1432-1475
    Keywords: Key words: Population growth ; saving ; development
    Source: Springer Online Journal Archives 1860-2000
    Topics: Sociology , Economics
    Notes: Abstract. The widely-observed finding in the literature showing little or no relationship between population growth (and dependency) and saving requires modification based on panel and cross-section estimation of aggregate country data. While such a relationship is still weak in the hybrid Leff-type model, it is now found consistently over time and by stage of development in the Mason variable-growth life-cycle framework, where changes in demographic factors account for a notable part of saving. JEL classification: J11, O15, O16
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00573070
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    The potential role of phoresy in the evolution of parasitism: radiolabelling (tritium) evidence from an astigmatid mite (1995)
    Springer
    Experimental and applied acarology 19 (1995), S. 677-694 
    Details
    ISSN: 1572-9702
    Keywords: Hemisarcoptes ; Chilocorus ; mites ; parasitism ; phoresy ; tritium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Using tritium as a radiolabel marker of interspecific fluid transfer, we present experimental evidence that the heteromorphic deutonymph of an astigmatid mite (Hemisarcoptes cooremani) acquires materials (at least water) directly from the haemolymph of its beetle host (Chilocorus cacti). This acquisition is above that obtained from atmospheric vapour. The material acquired from the host is necessary for the completion of the ontogeny of H. cooremani and is likely procured through the action of the caudal ventral suckers of the heteromorphic deutonymph (hypopus). On gross morphological criteria, this mite-beetle relationship was previously defined as phoretic (for dispersal). Scanning electron photomicrographs of the physical relationship between the hypopodes and the heetles shed light on the ‘parasitic’ nature of the hypopus of H. cooremani. Our findings are discussed in terms of the evolution of parasitism from a free-living astigmatid form. This transition into parasitism is facilitated by the heteromorphic hypopus and represents a classic ‘wolf-insheep's-clothing’ strategy. The heteromorph retains the characteristic phoretic morphology while exploiting the host in transit.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00052079
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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